diff --git a/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.test.tsx b/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.test.tsx
index 933dddbab..e836fd4d4 100644
--- a/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.test.tsx
+++ b/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.test.tsx
@@ -90,6 +90,16 @@ describe('ReviewDetailsDontKnowNHSNumberPage', () => {
                 screen.getByText(/following their process for record transfers/i),
             ).toBeInTheDocument();
         });
+
+        it('renders the go back button with correct text and data-testid', () => {
+            render(
+                <ReviewDetailsDontKnowNHSNumberStage reviewData={testReviewData} documents={[]} />,
+            );
+
+            const backButton = screen.getByTestId('back-button');
+            expect(backButton).toBeInTheDocument();
+            expect(backButton).toHaveTextContent('Go back');
+        });
     });
 
     describe('User Interactions', () => {
diff --git a/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.tsx b/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.tsx
index 1427a071f..f4fde1a49 100644
--- a/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.tsx
+++ b/app/src/components/blocks/_admin/reviewDetailsDontKnowNHSNumberStage/ReviewDetailsDontKnowNHSNumberStage.tsx
@@ -5,6 +5,7 @@ import { ReviewDetails } from '../../../../types/generic/reviews';
 import { navigateUrlParam, routeChildren } from '../../../../types/generic/routes';
 import { ReviewUploadDocument } from '../../../../types/pages/UploadDocumentsPage/types';
 import Spinner from '../../../generic/spinner/Spinner';
+import BackButton from '../../../generic/backButton/BackButton';
 
 type ReviewDetailsDontKnowNHSNumberStageProps = {
     reviewData: ReviewDetails | null;
@@ -38,6 +39,7 @@ const ReviewDetailsDontKnowNHSNumberStage = ({
         <div className="nhsuk-width-container">
             <div className="nhsuk-grid-row">
                 <div className="nhsuk-grid-column-two-thirds">
+                    <BackButton dataTestid="back-button" />
                     <h1 className="nhsuk-heading-l">Download this document</h1>
 
                     <p>