diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin.Tests/Services/DataArchiveValidationServiceTests.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin.Tests/Services/DataArchiveValidationServiceTests.cs
index 27fca5a4bca..11c6f987170 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin.Tests/Services/DataArchiveValidationServiceTests.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin.Tests/Services/DataArchiveValidationServiceTests.cs
@@ -238,8 +238,8 @@ public async Task ValidateBulkDataArchiveFiles_IndexFileMissing_ReturnsValidatio
                     .AssertBadRequestWithValidationErrors([
                         new ErrorViewModel
                         {
-                            Code = ValidationMessages.BulkDataZipMustContainDatasetNamesCsv.Code,
-                            Message = ValidationMessages.BulkDataZipMustContainDatasetNamesCsv.Message,
+                            Code = ValidationMessages.BulkDataZipMustContainDataSetNamesCsv.Code,
+                            Message = ValidationMessages.BulkDataZipMustContainDataSetNamesCsv.Message,
                         }
                     ]);
             }
@@ -267,8 +267,8 @@ public async Task ValidateBulkDataArchiveFiles_IndexFileHasIncorrectHeaders_Retu
                     .AssertBadRequestWithValidationErrors([
                         new ErrorViewModel
                         {
-                            Code = ValidationMessages.DatasetNamesCsvIncorrectHeaders.Code,
-                            Message = ValidationMessages.DatasetNamesCsvIncorrectHeaders.Message,
+                            Code = ValidationMessages.DataSetNamesCsvIncorrectHeaders.Code,
+                            Message = ValidationMessages.DataSetNamesCsvIncorrectHeaders.Message,
                         },
                     ]);
             }
@@ -319,7 +319,7 @@ public async Task ValidateBulkDataArchiveFiles_DuplicateDataSetTitlesAndFileName
                     .AssertLeft()
                     .AssertBadRequestWithValidationErrors([
                         ValidationMessages.GenerateErrorDataSetTitleShouldBeUnique("Duplicate title"),
-                        ValidationMessages.GenerateErrorDatasetNamesCsvFilenamesShouldBeUnique("one"),
+                        ValidationMessages.GenerateErrorDataSetNamesCsvFilenamesShouldBeUnique("one"),
                     ]);
             }
         }
@@ -342,7 +342,7 @@ public async Task ValidateBulkDataArchiveFiles_Fail_DataSetNamesCsvFilesnamesSho
                 result
                     .AssertLeft()
                     .AssertBadRequestWithValidationErrors([
-                        ValidationMessages.GenerateErrorDatasetNamesCsvFilenamesShouldNotEndDotCsv("one.csv")
+                        ValidationMessages.GenerateErrorDataSetNamesCsvFilenamesShouldNotEndDotCsv("one.csv")
                     ]);
             }
         }
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Controllers/Api/ReleasesController.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Controllers/Api/ReleasesController.cs
index 331b6667e50..87440621bcb 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Controllers/Api/ReleasesController.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Controllers/Api/ReleasesController.cs
@@ -107,7 +107,9 @@ public async Task<ActionResult<List<DataFileInfo>>> ReorderDataFiles(Guid releas
         [RequestFormLimits(ValueLengthLimit = int.MaxValue, MultipartBodyLengthLimit = int.MaxValue)]
         public async Task<ActionResult<DataFileInfo>> UploadDataSet(Guid releaseVersionId,
             [FromQuery(Name = "replacingFileId")] Guid? replacingFileId,
-            [FromQuery(Name = "title")] string title,
+            [FromQuery(Name = "title")]
+            [MaxLength(120)]
+            string title,
             IFormFile file,
             IFormFile metaFile)
         {
@@ -125,7 +127,9 @@ public async Task<ActionResult<DataFileInfo>> UploadDataSet(Guid releaseVersionI
         [RequestFormLimits(ValueLengthLimit = int.MaxValue, MultipartBodyLengthLimit = int.MaxValue)]
         public async Task<ActionResult<DataFileInfo>> UploadDataSetAsZip(Guid releaseVersionId,
             [FromQuery(Name = "replacingFileId")] Guid? replacingFileId,
-            [FromQuery(Name = "title")] string title,
+            [FromQuery(Name = "title")]
+            [MaxLength(120)]
+            string title,
             IFormFile zipFile)
         {
             return await _releaseDataFileService
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataBlockRequests.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataBlockRequests.cs
index 947b9e36324..d81e49514cd 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataBlockRequests.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataBlockRequests.cs
@@ -1,9 +1,9 @@
 #nullable enable
-using System.Collections.Generic;
 using FluentValidation;
 using GovUk.Education.ExploreEducationStatistics.Common.Model.Chart;
 using GovUk.Education.ExploreEducationStatistics.Common.Model.Data;
 using GovUk.Education.ExploreEducationStatistics.Common.Requests;
+using System.Collections.Generic;
 
 namespace GovUk.Education.ExploreEducationStatistics.Admin.Requests;
 
@@ -17,7 +17,7 @@ public record DataBlockCreateRequest
 
     public FullTableQueryRequest Query { get; init; } = null!;
 
-    public List<IChart> Charts { get; init; } = new();
+    public List<IChart> Charts { get; init; } = [];
 
     public TableBuilderConfiguration Table { get; init; } = null!;
 
@@ -26,7 +26,8 @@ public class Validator : AbstractValidator<DataBlockCreateRequest>
         public Validator()
         {
             RuleFor(request => request.Heading)
-                .NotEmpty();
+                .NotEmpty()
+                .MaximumLength(120);
 
             RuleFor(request => request.Name)
                 .NotEmpty();
@@ -47,7 +48,7 @@ public record DataBlockUpdateRequest
 
     public FullTableQueryRequest Query { get; init; } = null!;
 
-    public List<IChart> Charts { get; init; } = new();
+    public List<IChart> Charts { get; init; } = [];
 
     public TableBuilderConfiguration Table { get; init; } = null!;
 
@@ -56,7 +57,8 @@ public class Validator : AbstractValidator<DataBlockUpdateRequest>
         public Validator()
         {
             RuleFor(request => request.Heading)
-                .NotEmpty();
+                .NotEmpty()
+                .MaximumLength(120);
 
             RuleFor(request => request.Name)
                 .NotEmpty();
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataGuidanceUpdateRequest.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataGuidanceUpdateRequest.cs
index 1183e3dd119..e854959c8ee 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataGuidanceUpdateRequest.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/DataGuidanceUpdateRequest.cs
@@ -1,24 +1,45 @@
-#nullable enable
+#nullable enable
+using FluentValidation;
 using System;
 using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
 
 namespace GovUk.Education.ExploreEducationStatistics.Admin.Requests;
 
 public record DataGuidanceUpdateRequest
 {
-    [Required]
     public string Content { get; init; } = string.Empty;
 
-    [MinLength(1)]
-    public List<DataGuidanceDataSetUpdateRequest> DataSets { get; init; } = new();
+    public List<DataGuidanceDataSetUpdateRequest> DataSets { get; init; } = [];
+
+    public class Validator : AbstractValidator<DataGuidanceUpdateRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.Content)
+                .NotEmpty();
+
+            RuleFor(request => request.DataSets)
+                .NotEmpty();
+        }
+    }
 }
 
 public record DataGuidanceDataSetUpdateRequest
 {
-    [Required]
     public Guid FileId { get; init; }
 
-    [Required]
     public string Content { get; init; } = string.Empty;
+
+    public class Validator : AbstractValidator<DataGuidanceDataSetUpdateRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.FileId)
+                .NotEmpty();
+
+            RuleFor(request => request.Content)
+                .NotEmpty()
+                .MaximumLength(250);
+        }
+    }
 }
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/FeaturedTableRequests.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/FeaturedTableRequests.cs
index eb61edee5a1..43933bc1241 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/FeaturedTableRequests.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/FeaturedTableRequests.cs
@@ -1,26 +1,49 @@
 #nullable enable
+using FluentValidation;
 using System;
-using System.ComponentModel.DataAnnotations;
 
 namespace GovUk.Education.ExploreEducationStatistics.Admin.Requests;
 
 public record FeaturedTableCreateRequest
 {
-    [Required]
     public string Name { get; init; } = string.Empty;
 
-    [Required]
     public string Description { get; set; } = string.Empty;
 
     public Guid DataBlockId { get; set; }
 
+    public class Validator : AbstractValidator<FeaturedTableCreateRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.Name)
+                .NotEmpty()
+                .MaximumLength(120);
+
+            RuleFor(request => request.Description)
+                .NotEmpty()
+                .MaximumLength(200);
+        }
+    }
 }
 
 public record FeaturedTableUpdateRequest
 {
-    [Required]
     public string Name { get; init; } = string.Empty;
 
-    [Required]
     public string Description { get; set; } = string.Empty;
+
+    public class Validator : AbstractValidator<FeaturedTableUpdateRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.Name)
+                .NotEmpty()
+                .MaximumLength(120);
+
+            RuleFor(request => request.Description)
+                .NotEmpty()
+                .MaximumLength(200);
+        }
+    }
 }
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/ReleaseFileRequests.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/ReleaseFileRequests.cs
index f406c0fd134..4f8c11a184c 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/ReleaseFileRequests.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Requests/ReleaseFileRequests.cs
@@ -1,5 +1,5 @@
 #nullable enable
-using System.ComponentModel.DataAnnotations;
+using FluentValidation;
 using Microsoft.AspNetCore.Http;
 
 namespace GovUk.Education.ExploreEducationStatistics.Admin.Requests;
@@ -9,26 +9,62 @@ public record ReleaseDataFileUpdateRequest
     public string? Title { get; set; }
 
     public string? Summary { get; set; }
+
+    public class Validator : AbstractValidator<ReleaseDataFileUpdateRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.Title)
+                .MaximumLength(120);
+        }
+    }
 }
 
 public record ReleaseAncillaryFileUploadRequest
 {
-    [Required]
     public string Title { get; set; } = string.Empty;
 
-    [Required] public string Summary { get; set; } = string.Empty;
+    public string Summary { get; set; } = string.Empty;
 
-    [Required]
     public IFormFile File { get; set; } = null!;
+
+    public class Validator : AbstractValidator<ReleaseAncillaryFileUploadRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.Title)
+                .NotEmpty()
+                .MaximumLength(120);
+
+            RuleFor(request => request.Summary)
+                .NotEmpty()
+                .MaximumLength(250);
+
+            RuleFor(request => request.File)
+                .NotEmpty();
+        }
+    }
 }
 
 public record ReleaseAncillaryFileUpdateRequest
 {
-    [Required]
     public string Title { get; set; } = string.Empty;
 
-    [Required]
     public string Summary { get; set; } = string.Empty;
 
     public IFormFile? File { get; set; }
+
+    public class Validator : AbstractValidator<ReleaseAncillaryFileUpdateRequest>
+    {
+        public Validator()
+        {
+            RuleFor(request => request.Title)
+                .NotEmpty()
+                .MaximumLength(120);
+
+            RuleFor(request => request.Summary)
+                .NotEmpty()
+                .MaximumLength(250);
+        }
+    }
 }
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Services/DataArchiveValidationService.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Services/DataArchiveValidationService.cs
index 71153aea010..ae3b51bcc35 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Services/DataArchiveValidationService.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Services/DataArchiveValidationService.cs
@@ -103,8 +103,8 @@ public async Task<Either<ActionResult, List<ArchiveDataSetFile>>> ValidateBulkDa
             {
                 return Common.Validators.ValidationUtils.ValidationResult(new ErrorViewModel
                 {
-                    Code = ValidationMessages.BulkDataZipMustContainDatasetNamesCsv.Code,
-                    Message = ValidationMessages.BulkDataZipMustContainDatasetNamesCsv.Message,
+                    Code = ValidationMessages.BulkDataZipMustContainDataSetNamesCsv.Code,
+                    Message = ValidationMessages.BulkDataZipMustContainDataSetNamesCsv.Message,
                 });
             }
 
@@ -120,8 +120,8 @@ public async Task<Either<ActionResult, List<ArchiveDataSetFile>>> ValidateBulkDa
             {
                 return Common.Validators.ValidationUtils.ValidationResult(new ErrorViewModel
                 {
-                    Code = ValidationMessages.DatasetNamesCsvIncorrectHeaders.Code,
-                    Message = ValidationMessages.DatasetNamesCsvIncorrectHeaders.Message,
+                    Code = ValidationMessages.DataSetNamesCsvIncorrectHeaders.Code,
+                    Message = ValidationMessages.DataSetNamesCsvIncorrectHeaders.Message,
                 });
             }
 
@@ -134,24 +134,29 @@ public async Task<Either<ActionResult, List<ArchiveDataSetFile>>> ValidateBulkDa
                 rows = await CsvUtils.GetCsvRows(dataSetNamesStream);
             }
 
+            var errors = new List<ErrorViewModel>();
+
             var dataSetNamesCsvEntries = new List<(string BaseFilename, string Title)>();
             foreach (var row in rows)
             {
                 var filename = row[fileNameIndex];
                 var datasetName = row[datasetNameIndex].Trim();
 
+                if (datasetName.Length > 120)
+                {
+                    errors.Add(ValidationMessages.GenerateErrorDataSetTitleTooLong(datasetName));
+                }
+
                 dataSetNamesCsvEntries.Add((BaseFilename: filename, Title: datasetName));
             }
 
-            var errors = new List<ErrorViewModel>();
-
             dataSetNamesCsvEntries
                 .Select(entry => entry.BaseFilename)
                 .Where(baseFilename => baseFilename.EndsWith(".csv"))
                 .ToList()
                 .ForEach(baseFilename =>
                 {
-                    errors.Add(ValidationMessages.GenerateErrorDatasetNamesCsvFilenamesShouldNotEndDotCsv(baseFilename));
+                    errors.Add(ValidationMessages.GenerateErrorDataSetNamesCsvFilenamesShouldNotEndDotCsv(baseFilename));
                 });
 
             // Check for duplicate data set titles - because the bulk zip itself may contain duplicates!
@@ -175,7 +180,7 @@ public async Task<Either<ActionResult, List<ArchiveDataSetFile>>> ValidateBulkDa
                 .ForEach(duplicateFilename =>
                 {
                     errors.Add(ValidationMessages
-                        .GenerateErrorDatasetNamesCsvFilenamesShouldBeUnique(duplicateFilename));
+                        .GenerateErrorDataSetNamesCsvFilenamesShouldBeUnique(duplicateFilename));
                 });
 
             if (errors.Count > 0)
diff --git a/src/GovUk.Education.ExploreEducationStatistics.Admin/Validators/ValidationMessages.cs b/src/GovUk.Education.ExploreEducationStatistics.Admin/Validators/ValidationMessages.cs
index 46f26173e4b..9354e84ff7a 100644
--- a/src/GovUk.Education.ExploreEducationStatistics.Admin/Validators/ValidationMessages.cs
+++ b/src/GovUk.Education.ExploreEducationStatistics.Admin/Validators/ValidationMessages.cs
@@ -106,27 +106,27 @@ public static ErrorViewModel GenerateErrorMustBeCsvFile(string fullFilename)
         };
     }
 
-    public static readonly LocalizableMessage BulkDataZipMustContainDatasetNamesCsv = new(
-        Code: nameof(BulkDataZipMustContainDatasetNamesCsv),
+    public static readonly LocalizableMessage BulkDataZipMustContainDataSetNamesCsv = new(
+        Code: nameof(BulkDataZipMustContainDataSetNamesCsv),
         Message: "For bulk imports, the ZIP must include dataset_names.csv"
     );
 
-    public static readonly LocalizableMessage DatasetNamesCsvReaderException = new(
-        Code: nameof(DatasetNamesCsvReaderException),
+    public static readonly LocalizableMessage DataSetNamesCsvReaderException = new(
+        Code: nameof(DataSetNamesCsvReaderException),
         Message: "Failed to read dataset_names.csv. Exception: {0}"
     );
 
-    public static ErrorViewModel GenerateErrorDatasetNamesCsvReaderException(string exception)
+    public static ErrorViewModel GenerateErrorDataSetNamesCsvReaderException(string exception)
     {
         return new ErrorViewModel
         {
-            Code = DatasetNamesCsvReaderException.Code,
-            Message = string.Format(DatasetNamesCsvReaderException.Message, exception),
+            Code = DataSetNamesCsvReaderException.Code,
+            Message = string.Format(DataSetNamesCsvReaderException.Message, exception),
         };
     }
 
-    public static readonly LocalizableMessage DatasetNamesCsvIncorrectHeaders = new(
-        Code: nameof(DatasetNamesCsvIncorrectHeaders),
+    public static readonly LocalizableMessage DataSetNamesCsvIncorrectHeaders = new(
+        Code: nameof(DataSetNamesCsvIncorrectHeaders),
         Message: "dataset_names.csv has incorrect headers. It should have 'file_name' and 'dataset_name' only."
     );
 
@@ -158,22 +158,22 @@ public static ErrorViewModel GenerateErrorDataSetTitleShouldBeUnique(string dupl
         };
     }
 
-    public static readonly LocalizableMessage DatasetNamesCsvFilenamesShouldBeUnique = new(
-        Code: nameof(DatasetNamesCsvFilenamesShouldBeUnique),
+    public static readonly LocalizableMessage DataSetNamesCsvFilenamesShouldBeUnique = new(
+        Code: nameof(DataSetNamesCsvFilenamesShouldBeUnique),
         Message: "In dataset_names.csv, all filenames should be unique. Duplicate filename: '{0}'."
     );
 
-    public static ErrorViewModel GenerateErrorDatasetNamesCsvFilenamesShouldBeUnique(string duplicate)
+    public static ErrorViewModel GenerateErrorDataSetNamesCsvFilenamesShouldBeUnique(string duplicate)
     {
         return new ErrorViewModel
         {
-            Code = DatasetNamesCsvFilenamesShouldBeUnique.Code,
-            Message = string.Format(DatasetNamesCsvFilenamesShouldBeUnique.Message, duplicate),
+            Code = DataSetNamesCsvFilenamesShouldBeUnique.Code,
+            Message = string.Format(DataSetNamesCsvFilenamesShouldBeUnique.Message, duplicate),
         };
     }
 
-    public static readonly LocalizableMessage DatasetNamesCsvFilenamesShouldNotEndDotCsv = new(
-        Code: nameof(DatasetNamesCsvFilenamesShouldNotEndDotCsv),
+    public static readonly LocalizableMessage DataSetNamesCsvFilenamesShouldNotEndDotCsv = new(
+        Code: nameof(DataSetNamesCsvFilenamesShouldNotEndDotCsv),
         Message: "Inside dataset_names.csv, file_name cell entries should not end in '.csv' i.e. should be 'filename' not 'filename.csv'. Filename found with extension: '{0}'."
     );
 
@@ -205,12 +205,26 @@ public static ErrorViewModel GenerateErrorDataReplacementAlreadyInProgress()
         };
     }
 
-    public static ErrorViewModel GenerateErrorDatasetNamesCsvFilenamesShouldNotEndDotCsv(string filename)
+    public static readonly LocalizableMessage DataSetTitleTooLong = new(
+        Code: nameof(DataSetTitleTooLong),
+        Message: "Subject title '{0}' must be 120 characters or less"
+    );
+
+    public static ErrorViewModel GenerateErrorDataSetTitleTooLong(string title)
+    {
+        return new ErrorViewModel
+        {
+            Code = DataSetTitleTooLong.Code,
+            Message = string.Format(DataSetTitleTooLong.Message, title),
+        };
+    }
+
+    public static ErrorViewModel GenerateErrorDataSetNamesCsvFilenamesShouldNotEndDotCsv(string filename)
     {
         return new ErrorViewModel
         {
-            Code = DatasetNamesCsvFilenamesShouldNotEndDotCsv.Code,
-            Message = string.Format(DatasetNamesCsvFilenamesShouldNotEndDotCsv.Message, filename),
+            Code = DataSetNamesCsvFilenamesShouldNotEndDotCsv.Code,
+            Message = string.Format(DataSetNamesCsvFilenamesShouldNotEndDotCsv.Message, filename),
         };
     }
 
diff --git a/src/explore-education-statistics-admin/src/pages/release/data/ReleaseDataFilePage.tsx b/src/explore-education-statistics-admin/src/pages/release/data/ReleaseDataFilePage.tsx
index 1fbbd215c72..f189c26ab73 100644
--- a/src/explore-education-statistics-admin/src/pages/release/data/ReleaseDataFilePage.tsx
+++ b/src/explore-education-statistics-admin/src/pages/release/data/ReleaseDataFilePage.tsx
@@ -55,6 +55,8 @@ export default function ReleaseDataFilePage({
     );
   };
 
+  const titleMaxLength = 120;
+
   return (
     <>
       <Link
@@ -76,7 +78,12 @@ export default function ReleaseDataFilePage({
             <FormProvider
               initialValues={{ title: dataFile.title }}
               validationSchema={Yup.object<FormValues>({
-                title: Yup.string().required('Enter a title'),
+                title: Yup.string()
+                  .required('Enter a title')
+                  .max(
+                    titleMaxLength,
+                    `Subject title must be ${titleMaxLength} characters or less`,
+                  ),
               })}
             >
               <Form id="dataFileForm" onSubmit={handleSubmit}>
@@ -84,6 +91,7 @@ export default function ReleaseDataFilePage({
                   className="govuk-!-width-two-thirds"
                   label="Title"
                   name="title"
+                  maxLength={titleMaxLength}
                 />
 
                 <Button type="submit">Save changes</Button>
diff --git a/src/explore-education-statistics-admin/src/pages/release/data/components/AncillaryFileForm.tsx b/src/explore-education-statistics-admin/src/pages/release/data/components/AncillaryFileForm.tsx
index e47434e8d4a..f8b58a3595a 100644
--- a/src/explore-education-statistics-admin/src/pages/release/data/components/AncillaryFileForm.tsx
+++ b/src/explore-education-statistics-admin/src/pages/release/data/components/AncillaryFileForm.tsx
@@ -21,6 +21,8 @@ export interface AncillaryFileFormValues {
 
 const formId = 'ancillaryFileForm';
 const MAX_FILE_SIZE = 2147483647; // 2GB
+const titleMaxLength = 120;
+const summaryMaxLength = 250;
 
 const errorMappings = [
   mapFieldErrors<AncillaryFileFormValues>({
@@ -76,8 +78,17 @@ export default function AncillaryFileForm({
               f => f.title.toUpperCase() !== value.toUpperCase(),
             );
           },
-        }),
-      summary: Yup.string().required('Enter a summary'),
+        })
+        .max(
+          titleMaxLength,
+          `Title must be ${titleMaxLength} characters or less`,
+        ),
+      summary: Yup.string()
+        .required('Enter a summary')
+        .max(
+          summaryMaxLength,
+          `Summary must be ${summaryMaxLength} characters or less`,
+        ),
       file: Yup.file()
         .minSize(0, 'Choose a file that is not empty')
         .maxSize(MAX_FILE_SIZE, 'Choose a file that is under 2GB')
@@ -117,6 +128,7 @@ export default function AncillaryFileForm({
               disabled={formState.isSubmitting}
               label="Title"
               name="title"
+              maxLength={titleMaxLength}
             />
 
             <FormFieldTextArea<AncillaryFileFormValues>
@@ -124,6 +136,7 @@ export default function AncillaryFileForm({
               disabled={formState.isSubmitting}
               label="Summary"
               name="summary"
+              maxLength={summaryMaxLength}
             />
 
             <FormFieldFileInput<AncillaryFileFormValues>
diff --git a/src/explore-education-statistics-admin/src/pages/release/data/components/DataFileUploadForm.tsx b/src/explore-education-statistics-admin/src/pages/release/data/components/DataFileUploadForm.tsx
index 59df8a9c1d6..ac728bd6ba2 100644
--- a/src/explore-education-statistics-admin/src/pages/release/data/components/DataFileUploadForm.tsx
+++ b/src/explore-education-statistics-admin/src/pages/release/data/components/DataFileUploadForm.tsx
@@ -29,6 +29,7 @@ export interface DataFileUploadFormValues {
 }
 
 const MAX_FILENAME_SIZE = 150;
+const titleMaxLength = 120;
 
 const subjectErrorMappings = [
   mapFieldErrors<DataFileUploadFormValues>({
@@ -71,18 +72,19 @@ function baseErrorMappings(
           ...fileErrorMappings,
           ZipFilenameMustEndDotZip: 'ZipFilenameMustEndDotZip',
           MustBeZipFile: 'MustBeZipFile',
-          BulkDataZipMustContainDatasetNamesCsv:
-            'BulkDataZipMustContainDatasetNamesCsv',
-          DatasetNamesCsvReaderException: 'DatasetNamesCsvReaderException',
-          DatasetNamesCsvIncorrectHeaders: 'DatasetNamesCsvIncorrectHeaders',
-          DatasetNamesCsvFilenamesShouldNotEndDotCsv:
-            'DatasetNamesCsvFilenamesShouldNotEndDotCsv',
-          DatasetNamesCsvFilenamesShouldBeUnique:
-            'DatasetNamesCsvFilenamesShouldBeUnique',
+          BulkDataZipMustContainDataSetNamesCsv:
+            'BulkDataZipMustContainDataSetNamesCsv',
+          DataSetNamesCsvReaderException: 'DataSetNamesCsvReaderException',
+          DataSetNamesCsvIncorrectHeaders: 'DataSetNamesCsvIncorrectHeaders',
+          DataSetNamesCsvFilenamesShouldNotEndDotCsv:
+            'DataSetNamesCsvFilenamesShouldNotEndDotCsv',
+          DataSetNamesCsvFilenamesShouldBeUnique:
+            'DataSetNamesCsvFilenamesShouldBeUnique',
           FileNotFoundInZip: 'FileNotFoundInZip',
           ZipContainsUnusedFiles: 'ZipContainsUnusedFiles',
           DataReplacementAlreadyInProgress:
             'Data replacement already in progress',
+          DataSetTitleTooLong: 'DataSetTitleTooLong',
         },
       }),
     ];
@@ -179,21 +181,27 @@ export default function DataFileUploadForm({
           is: (uploadType: FileType) =>
             uploadType === 'csv' || uploadType === 'zip',
           then: s =>
-            s.required('Enter a subject title').test({
-              name: 'unique',
-              message: 'Enter a unique subject title',
-              test(value: string) {
-                if (!value) {
-                  return true;
-                }
+            s
+              .required('Enter a subject title')
+              .test({
+                name: 'unique',
+                message: 'Enter a unique subject title',
+                test(value: string) {
+                  if (!value) {
+                    return true;
+                  }
 
-                return (
-                  dataFiles?.find(
-                    f => f.title.toUpperCase() === value.toUpperCase(),
-                  ) === undefined
-                );
-              },
-            }),
+                  return (
+                    dataFiles?.find(
+                      f => f.title.toUpperCase() === value.toUpperCase(),
+                    ) === undefined
+                  );
+                },
+              })
+              .max(
+                titleMaxLength,
+                `Subject title must be ${titleMaxLength} characters or less`,
+              ),
         }),
       });
     }
@@ -233,6 +241,7 @@ export default function DataFileUploadForm({
                   name="subjectTitle"
                   label="Subject title"
                   className="govuk-!-width-two-thirds"
+                  maxLength={titleMaxLength}
                 />
               )}
 
diff --git a/src/explore-education-statistics-admin/src/pages/release/data/components/ReleaseDataGuidanceSection.tsx b/src/explore-education-statistics-admin/src/pages/release/data/components/ReleaseDataGuidanceSection.tsx
index efcc4dc3dae..80146f9349c 100644
--- a/src/explore-education-statistics-admin/src/pages/release/data/components/ReleaseDataGuidanceSection.tsx
+++ b/src/explore-education-statistics-admin/src/pages/release/data/components/ReleaseDataGuidanceSection.tsx
@@ -44,6 +44,7 @@ interface Props {
   canUpdateRelease: boolean;
 }
 
+const contentMaxLength = 250;
 const formId = 'dataGuidanceForm';
 
 const ReleaseDataGuidanceSection = ({ releaseId, canUpdateRelease }: Props) => {
@@ -114,16 +115,21 @@ const ReleaseDataGuidanceSection = ({ releaseId, canUpdateRelease }: Props) => {
                   dataSets: Yup.array().of(
                     Yup.object({
                       id: Yup.string(),
-                      content: Yup.string().required(params => {
-                        const [, index] = toPath(params.path);
-                        const dataSet = dataGuidance?.dataSets[Number(index)];
-
-                        if (!dataSet) {
-                          return null;
-                        }
-
-                        return `Enter file guidance content for ${dataSet.name}`;
-                      }),
+                      content: Yup.string()
+                        .required(params => {
+                          const [, index] = toPath(params.path);
+                          const dataSet = dataGuidance?.dataSets[Number(index)];
+
+                          if (!dataSet) {
+                            return null;
+                          }
+
+                          return `Enter file guidance content for ${dataSet.name}`;
+                        })
+                        .max(
+                          contentMaxLength,
+                          `File guidance content must be ${contentMaxLength} characters or less`,
+                        ),
                     }),
                   ),
                 })}
@@ -179,6 +185,7 @@ const ReleaseDataGuidanceSection = ({ releaseId, canUpdateRelease }: Props) => {
                                         label="File guidance content"
                                         name={`dataSets.${index}.content`}
                                         rows={3}
+                                        maxLength={contentMaxLength}
                                       />
                                     ) : (
                                       <ContentHtml
diff --git a/src/explore-education-statistics-admin/src/pages/release/datablocks/components/DataBlockDetailsForm.tsx b/src/explore-education-statistics-admin/src/pages/release/datablocks/components/DataBlockDetailsForm.tsx
index d7a3631b594..bc0ba0fa6c6 100644
--- a/src/explore-education-statistics-admin/src/pages/release/datablocks/components/DataBlockDetailsForm.tsx
+++ b/src/explore-education-statistics-admin/src/pages/release/datablocks/components/DataBlockDetailsForm.tsx
@@ -21,6 +21,8 @@ interface FormValues {
 
 export type DataBlockDetailsFormValues = OmitStrict<FormValues, 'isHighlight'>;
 
+const titleMaxLength = 120;
+const descriptionMaxLength = 200;
 const formId = 'dataBlockDetailsForm';
 
 interface Props {
@@ -56,15 +58,32 @@ const DataBlockDetailsForm = ({
   const validationSchema = useMemo<ObjectSchema<FormValues>>(() => {
     return Yup.object({
       name: Yup.string().required('Enter a data block name'),
-      heading: Yup.string().required('Enter a table title'),
+      heading: Yup.string()
+        .required('Enter a table title')
+        .max(
+          titleMaxLength,
+          `Table title must be ${titleMaxLength} characters or less`,
+        ),
       source: Yup.string(),
       highlightName: Yup.string().when('isHighlight', {
         is: true,
-        then: s => s.required('Enter a featured table name'),
+        then: s =>
+          s
+            .required('Enter a featured table name')
+            .max(
+              titleMaxLength,
+              `Featured table name must be ${titleMaxLength} characters or less`,
+            ),
       }),
       highlightDescription: Yup.string().when('isHighlight', {
         is: true,
-        then: s => s.required('Enter a featured table description'),
+        then: s =>
+          s
+            .required('Enter a featured table description')
+            .max(
+              descriptionMaxLength,
+              `Featured table description must be ${descriptionMaxLength} characters or less`,
+            ),
       }),
       isHighlight: Yup.boolean(),
     });
@@ -100,6 +119,7 @@ const DataBlockDetailsForm = ({
                 onBlur={() => {
                   onTitleChange?.(getValues('heading'));
                 }}
+                maxLength={titleMaxLength}
               />
 
               <FormFieldTextInput<FormValues>
@@ -125,12 +145,14 @@ const DataBlockDetailsForm = ({
                         label="Featured table name"
                         hint="We will show this name to table builder users as a featured table"
                         className="govuk-!-width-two-thirds"
+                        maxLength={titleMaxLength}
                       />
                       <FormFieldTextArea<FormValues>
                         name="highlightDescription"
                         label="Featured table description"
                         hint="Describe the contents of this featured table to table builder users"
                         className="govuk-!-width-two-thirds"
+                        maxLength={descriptionMaxLength}
                       />
                     </>
                   }
diff --git a/src/explore-education-statistics-common/src/components/form/FormFieldTextArea.tsx b/src/explore-education-statistics-common/src/components/form/FormFieldTextArea.tsx
index 246ba3837e1..72369488537 100644
--- a/src/explore-education-statistics-common/src/components/form/FormFieldTextArea.tsx
+++ b/src/explore-education-statistics-common/src/components/form/FormFieldTextArea.tsx
@@ -4,15 +4,35 @@ import FormField, {
 import FormTextArea from '@common/components/form/FormTextArea';
 import { FormTextAreaProps } from '@common/components/form/FormBaseTextArea';
 import React from 'react';
-import { FieldValues } from 'react-hook-form';
+import { FieldValues, useWatch } from 'react-hook-form';
+import FormCharacterCount from '@common/components/form/FormCharacterCount';
+import FormGroup from './FormGroup';
 
 type Props<TFormValues extends FieldValues> = FormFieldComponentProps<
   FormTextAreaProps,
   TFormValues
 >;
 
-export default function FormFieldTextArea<TFormValues extends FieldValues>(
-  props: Props<TFormValues>,
-) {
+export default function FormFieldTextArea<TFormValues extends FieldValues>({
+  maxLength,
+  ...props
+}: Props<TFormValues>) {
+  const watchedValue = useWatch({ name: props.name });
+
+  if (!!maxLength && maxLength > 0) {
+    return (
+      <div className="govuk-character-count">
+        <FormGroup>
+          <FormField {...props} maxLength={maxLength} as={FormTextArea} />
+          <FormCharacterCount
+            id={props.id ?? ''}
+            maxLength={maxLength}
+            value={watchedValue}
+          />
+        </FormGroup>
+      </div>
+    );
+  }
+
   return <FormField {...props} as={FormTextArea} />;
 }
diff --git a/src/explore-education-statistics-common/src/components/form/FormFieldTextInput.tsx b/src/explore-education-statistics-common/src/components/form/FormFieldTextInput.tsx
index abc58788276..90aba48798d 100644
--- a/src/explore-education-statistics-common/src/components/form/FormFieldTextInput.tsx
+++ b/src/explore-education-statistics-common/src/components/form/FormFieldTextInput.tsx
@@ -5,15 +5,35 @@ import FormTextInput, {
   FormTextInputProps,
 } from '@common/components/form/FormTextInput';
 import React from 'react';
-import { FieldValues } from 'react-hook-form';
+import { FieldValues, useWatch } from 'react-hook-form';
+import FormCharacterCount from '@common/components/form/FormCharacterCount';
+import FormGroup from './FormGroup';
 
 type Props<TFormValues extends FieldValues> = FormFieldComponentProps<
   FormTextInputProps,
   TFormValues
 >;
 
-export default function FormFieldTextInput<TFormValues extends FieldValues>(
-  props: Props<TFormValues>,
-) {
+export default function FormFieldTextInput<TFormValues extends FieldValues>({
+  maxLength,
+  ...props
+}: Props<TFormValues>) {
+  const watchedValue = useWatch({ name: props.name });
+
+  if (!!maxLength && maxLength > 0) {
+    return (
+      <div className="govuk-character-count">
+        <FormGroup>
+          <FormField {...props} maxLength={maxLength} as={FormTextInput} />
+          <FormCharacterCount
+            id={props.id ?? ''}
+            maxLength={maxLength}
+            value={watchedValue}
+          />
+        </FormGroup>
+      </div>
+    );
+  }
+
   return <FormField {...props} as={FormTextInput} />;
 }
diff --git a/src/explore-education-statistics-common/src/components/form/FormTextArea.tsx b/src/explore-education-statistics-common/src/components/form/FormTextArea.tsx
index 6aa385bf9bf..2ebf6b27e5f 100644
--- a/src/explore-education-statistics-common/src/components/form/FormTextArea.tsx
+++ b/src/explore-education-statistics-common/src/components/form/FormTextArea.tsx
@@ -1,36 +1,8 @@
-import FormGroup from '@common/components/form/FormGroup';
-import FormCharacterCount from '@common/components/form/FormCharacterCount';
 import FormBaseTextArea, {
   FormTextAreaProps,
 } from '@common/components/form/FormBaseTextArea';
 import React from 'react';
-import { useWatch } from 'react-hook-form';
 
-export default function FormTextArea({
-  id,
-  maxLength,
-  name,
-  ...props
-}: FormTextAreaProps) {
-  const value = useWatch({ name });
-
-  if (!!maxLength && maxLength > 0) {
-    return (
-      <div className="govuk-character-count">
-        <FormGroup>
-          <FormBaseTextArea
-            {...props}
-            id={id}
-            maxLength={maxLength}
-            name={name}
-          />
-        </FormGroup>
-        <FormCharacterCount id={id} maxLength={maxLength} value={value} />
-      </div>
-    );
-  }
-
-  return (
-    <FormBaseTextArea {...props} id={id} maxLength={maxLength} name={name} />
-  );
+export default function FormTextArea(props: FormTextAreaProps) {
+  return <FormBaseTextArea {...props} />;
 }
diff --git a/src/explore-education-statistics-common/src/components/form/FormTextInput.tsx b/src/explore-education-statistics-common/src/components/form/FormTextInput.tsx
index 81e8bc82b37..0108fa1f1e0 100644
--- a/src/explore-education-statistics-common/src/components/form/FormTextInput.tsx
+++ b/src/explore-education-statistics-common/src/components/form/FormTextInput.tsx
@@ -1,8 +1,6 @@
 import FormBaseInput, {
   FormBaseInputProps,
 } from '@common/components/form/FormBaseInput';
-import FormCharacterCount from '@common/components/form/FormCharacterCount';
-import FormGroup from '@common/components/form/FormGroup';
 import React from 'react';
 
 export interface FormTextInputProps extends FormBaseInputProps {
@@ -13,24 +11,8 @@ export interface FormTextInputProps extends FormBaseInputProps {
 
 export default function FormTextInput({
   id,
-  maxLength,
   value,
   ...props
 }: FormTextInputProps) {
-  if (!!maxLength && maxLength > 0) {
-    return (
-      <div className="govuk-character-count">
-        <FormGroup>
-          <FormBaseInput
-            {...props}
-            id={id}
-            maxLength={maxLength}
-            value={value}
-          />
-          <FormCharacterCount id={id} maxLength={maxLength} value={value} />
-        </FormGroup>
-      </div>
-    );
-  }
   return <FormBaseInput id={id} {...props} value={value} />;
 }
diff --git a/src/explore-education-statistics-common/src/components/form/__tests__/FormFieldTextArea.test.tsx b/src/explore-education-statistics-common/src/components/form/__tests__/FormFieldTextArea.test.tsx
new file mode 100644
index 00000000000..733ba544071
--- /dev/null
+++ b/src/explore-education-statistics-common/src/components/form/__tests__/FormFieldTextArea.test.tsx
@@ -0,0 +1,136 @@
+import FormFieldTextArea from '@common/components/form/FormFieldTextArea';
+import FormProvider from '@common/components/form/FormProvider';
+import { render, screen } from '@testing-library/react';
+import noop from 'lodash/noop';
+import React from 'react';
+
+describe('FormFieldTextArea', () => {
+  describe('maxLength', () => {
+    test('shows a character count message when `maxLength` is above 0', () => {
+      render(
+        <FormProvider>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={10}
+          />
+        </FormProvider>,
+      );
+
+      expect(
+        screen.getByText('You have 10 characters remaining'),
+      ).toBeInTheDocument();
+    });
+
+    test('aria-describedby contains the character count message id when `maxLength` is above 0', () => {
+      render(
+        <FormProvider>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={10}
+          />
+        </FormProvider>,
+      );
+
+      const ariaDescribedBy = screen
+        .getByLabelText('Test input')
+        .getAttribute('aria-describedby');
+
+      expect(
+        screen.getByText('You have 10 characters remaining'),
+      ).toHaveAttribute('id', 'test-input-info');
+      expect(ariaDescribedBy).toContain('test-input-info');
+    });
+
+    test('does not show a character count message when `maxLength` is below 0', () => {
+      render(
+        <FormProvider>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={-1}
+          />
+        </FormProvider>,
+      );
+
+      expect(
+        screen.queryByText(/You have .+ characters remaining/),
+      ).not.toBeInTheDocument();
+    });
+
+    test('does not show a character count message when `maxLength` is 0', () => {
+      render(
+        <FormProvider>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={0}
+          />
+        </FormProvider>,
+      );
+
+      expect(
+        screen.queryByText(/You have .+ characters remaining/),
+      ).not.toBeInTheDocument();
+    });
+
+    test('shows correct character count message when difference to `maxLength` is 1', () => {
+      render(
+        <FormProvider initialValues={{ testInput: 'aaa' }}>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={4}
+            onChange={noop}
+          />
+        </FormProvider>,
+      );
+
+      expect(
+        screen.getByText('You have 1 character remaining'),
+      ).toBeInTheDocument();
+    });
+
+    test('shows correct character count message when difference to `maxLength` is 0', () => {
+      render(
+        <FormProvider initialValues={{ testInput: 'aaaa' }}>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={4}
+            onChange={noop}
+          />
+        </FormProvider>,
+      );
+
+      expect(
+        screen.getByText('You have 0 characters remaining'),
+      ).toBeInTheDocument();
+    });
+
+    test('shows correct character count message when difference to `maxLength` is -1', () => {
+      render(
+        <FormProvider initialValues={{ testInput: 'aaaaa' }}>
+          <FormFieldTextArea
+            id="test-input"
+            label="Test input"
+            name="testInput"
+            maxLength={4}
+            onChange={noop}
+          />
+        </FormProvider>,
+      );
+
+      expect(
+        screen.getByText('You have 1 character too many'),
+      ).toBeInTheDocument();
+    });
+  });
+});
diff --git a/src/explore-education-statistics-common/src/components/form/__tests__/FormTextArea.test.tsx b/src/explore-education-statistics-common/src/components/form/__tests__/FormTextArea.test.tsx
index 9b86fd200ab..138eb0a23d7 100644
--- a/src/explore-education-statistics-common/src/components/form/__tests__/FormTextArea.test.tsx
+++ b/src/explore-education-statistics-common/src/components/form/__tests__/FormTextArea.test.tsx
@@ -1,5 +1,4 @@
 import FormTextArea from '@common/components/form/FormTextArea';
-import FormProvider from '@common/components/form/FormProvider';
 import { render, screen } from '@testing-library/react';
 import noop from 'lodash/noop';
 import React from 'react';
@@ -7,9 +6,7 @@ import React from 'react';
 describe('FormTextArea', () => {
   test('renders correctly with required props', () => {
     const { container } = render(
-      <FormProvider>
-        <FormTextArea id="test-input" label="Test input" name="testInput" />
-      </FormProvider>,
+      <FormTextArea id="test-input" label="Test input" name="testInput" />,
     );
 
     expect(screen.getByLabelText('Test input')).toBeDefined();
@@ -18,14 +15,12 @@ describe('FormTextArea', () => {
 
   test('renders correctly with hint', () => {
     const { container } = render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          hint="Fill me in"
-        />
-      </FormProvider>,
+      <FormTextArea
+        id="test-input"
+        label="Test input"
+        name="testInput"
+        hint="Fill me in"
+      />,
     );
 
     const hint = screen.getByText('Fill me in');
@@ -36,15 +31,13 @@ describe('FormTextArea', () => {
 
   test('renders correctly with error', () => {
     const { container } = render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          error="Field is required"
-          onChange={noop}
-        />
-      </FormProvider>,
+      <FormTextArea
+        id="test-input"
+        label="Test input"
+        name="testInput"
+        error="Field is required"
+        onChange={noop}
+      />,
     );
 
     const error = screen.getByText('Field is required');
@@ -55,15 +48,13 @@ describe('FormTextArea', () => {
 
   test('aria-describedby is equal to the hint id', () => {
     render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          hint="Fill me in"
-          onChange={noop}
-        />
-      </FormProvider>,
+      <FormTextArea
+        id="test-input"
+        label="Test input"
+        name="testInput"
+        hint="Fill me in"
+        onChange={noop}
+      />,
     );
 
     expect(screen.getByText('Fill me in')).toHaveAttribute(
@@ -78,15 +69,13 @@ describe('FormTextArea', () => {
 
   test('aria-describedby is equal to the error id', () => {
     render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          error="Field is required"
-          onChange={noop}
-        />
-      </FormProvider>,
+      <FormTextArea
+        id="test-input"
+        label="Test input"
+        name="testInput"
+        error="Field is required"
+        onChange={noop}
+      />,
     );
 
     expect(screen.getByText('Field is required')).toHaveAttribute(
@@ -101,15 +90,13 @@ describe('FormTextArea', () => {
 
   test('aria-describedby contains both hint and error ids', () => {
     render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          hint="Fill me in"
-          error="Field is required"
-        />
-      </FormProvider>,
+      <FormTextArea
+        id="test-input"
+        label="Test input"
+        name="testInput"
+        hint="Fill me in"
+        error="Field is required"
+      />,
     );
 
     expect(screen.getByText('Fill me in')).toHaveAttribute(
@@ -128,131 +115,4 @@ describe('FormTextArea', () => {
     expect(ariaDescribedBy).toContain('test-input-error');
     expect(ariaDescribedBy).toContain('test-input-hint');
   });
-
-  test('shows a character count message when `maxLength` is above 0', () => {
-    render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={10}
-        />
-      </FormProvider>,
-    );
-
-    expect(
-      screen.getByText('You have 10 characters remaining'),
-    ).toBeInTheDocument();
-  });
-
-  test('aria-describedby contains the character count message id when `maxLength` is above 0', () => {
-    render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={10}
-        />
-      </FormProvider>,
-    );
-
-    const ariaDescribedBy = screen
-      .getByLabelText('Test input')
-      .getAttribute('aria-describedby');
-
-    expect(
-      screen.getByText('You have 10 characters remaining'),
-    ).toHaveAttribute('id', 'test-input-info');
-    expect(ariaDescribedBy).toContain('test-input-info');
-  });
-
-  test('does not show a character count message when `maxLength` is below 0', () => {
-    render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={-1}
-        />
-      </FormProvider>,
-    );
-
-    expect(
-      screen.queryByText(/You have .+ characters remaining/),
-    ).not.toBeInTheDocument();
-  });
-
-  test('does not show a character count message when `maxLength` is 0', () => {
-    render(
-      <FormProvider>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={0}
-        />
-      </FormProvider>,
-    );
-
-    expect(
-      screen.queryByText(/You have .+ characters remaining/),
-    ).not.toBeInTheDocument();
-  });
-
-  test('shows correct character count message when difference to `maxLength` is 1', () => {
-    render(
-      <FormProvider initialValues={{ testInput: 'aaa' }}>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={4}
-          onChange={noop}
-        />
-      </FormProvider>,
-    );
-
-    expect(
-      screen.getByText('You have 1 character remaining'),
-    ).toBeInTheDocument();
-  });
-
-  test('shows correct character count message when difference to `maxLength` is 0', () => {
-    render(
-      <FormProvider initialValues={{ testInput: 'aaaa' }}>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={4}
-          onChange={noop}
-        />
-      </FormProvider>,
-    );
-
-    expect(
-      screen.getByText('You have 0 characters remaining'),
-    ).toBeInTheDocument();
-  });
-
-  test('shows correct character count message when difference to `maxLength` is -1', () => {
-    render(
-      <FormProvider initialValues={{ testInput: 'aaaaa' }}>
-        <FormTextArea
-          id="test-input"
-          label="Test input"
-          name="testInput"
-          maxLength={4}
-          onChange={noop}
-        />
-      </FormProvider>,
-    );
-
-    expect(
-      screen.getByText('You have 1 character too many'),
-    ).toBeInTheDocument();
-  });
 });