diff --git a/lib/manage-prototype-handlers.js b/lib/manage-prototype-handlers.js
index 967490d6aa..0e8286c74e 100644
--- a/lib/manage-prototype-handlers.js
+++ b/lib/manage-prototype-handlers.js
@@ -91,7 +91,7 @@ function getCsrfTokenHandler (req, res) {
 
 // Clear all data in session
 function getClearDataHandler (req, res) {
-  res.send(nunjucksManagementEnv.render(getManagementView('clear-data.njk')))
+  res.send(nunjucksManagementEnv.render(getManagementView('clear-data.njk'), req.app.locals))
 }
 
 function postClearDataHandler (req, res) {
@@ -103,7 +103,7 @@ function postClearDataHandler (req, res) {
 function getPasswordHandler (req, res) {
   const returnURL = req.query.returnURL || '/'
   const error = req.query.error
-  res.send(nunjucksManagementEnv.render(getManagementView('password.njk'), { returnURL, error }))
+  res.send(nunjucksManagementEnv.render(getManagementView('password.njk'), { ...req.app.locals, returnURL, error }))
 }
 
 // Check authentication password
@@ -133,7 +133,7 @@ function developmentOnlyMiddleware (req, res, next) {
   if (config.getConfig().isDevelopment || req.url.startsWith('/dependencies/govuk-frontend')) {
     next()
   } else {
-    res.send(nunjucksManagementEnv.render(getManagementView('manage-prototype-not-available.njk')))
+    res.send(nunjucksManagementEnv.render(getManagementView('manage-prototype-not-available.njk'), req.app.locals))
   }
 }
 
@@ -181,6 +181,7 @@ async function getHomeHandler (req, res) {
   const kitPackage = await lookupPackageInfo('govuk-prototype-kit')
 
   const viewData = {
+    ...req.app.locals,
     currentUrl: req.originalUrl,
     currentSection: pageName,
     links: managementLinks,
@@ -251,6 +252,7 @@ async function getTemplatesHandler (req, res) {
   }
 
   res.send(nunjucksManagementEnv.render(getManagementView('templates.njk'), {
+    ...req.app.locals,
     currentSection: pageName,
     links: managementLinks,
     availableTemplates,
@@ -303,6 +305,7 @@ function getTemplatesInstallHandler (req, res) {
 
   if (templateConfig) {
     res.send(nunjucksManagementEnv.render(getManagementView('template-install.njk'), {
+      ...req.app.locals,
       currentSection: 'Templates',
       pageName: `Create new ${templateConfig.name}`,
       currentUrl: req.originalUrl,
@@ -392,6 +395,7 @@ function getTemplatesPostInstallHandler (req, res) {
   const chosenUrl = req.query['chosen-url']
 
   res.send(nunjucksManagementEnv.render(getManagementView('template-post-install.njk'), {
+    ...req.app.locals,
     currentSection: 'Templates',
     pageName,
     links: managementLinks,
@@ -520,6 +524,7 @@ async function getPluginsHandler (req, res) {
   const foundMessage = found === 1 ? found + ' Plugin found' : found + ' Plugins found'
   const updatesMessage = updates ? updates === 1 ? updates + ' UPDATE AVAILABLE' : updates + ' UPDATES AVAILABLE' : ''
   const model = {
+    ...req.app.locals,
     currentSection: pageName,
     links: managementLinks,
     isInstalledPage,
@@ -626,6 +631,7 @@ async function getPluginsModeHandler (req, res) {
   }
 
   res.send(nunjucksManagementEnv.render(getManagementView('plugin-install-or-uninstall.njk'), {
+    ...req.app.locals,
     currentSection: 'Plugins',
     pageName,
     currentUrl: req.originalUrl,
diff --git a/lib/manage-prototype-handlers.test.js b/lib/manage-prototype-handlers.test.js
index affaea9646..83325caaa1 100644
--- a/lib/manage-prototype-handlers.test.js
+++ b/lib/manage-prototype-handlers.test.js
@@ -131,6 +131,11 @@ describe('manage-prototype-handlers', () => {
     fse.exists.mockResolvedValue(true)
     fse.readJsonSync.mockReturnValue({})
     req = {
+      app: {
+        locals: {
+          serviceName: 'Service name goes here'
+        }
+      },
       headers: {},
       body: {},
       query: {},
@@ -154,7 +159,8 @@ describe('manage-prototype-handlers', () => {
   it('getClearDataHandler', () => {
     getClearDataHandler(req, res)
     expect(mockNunjucksRender).toHaveBeenCalledWith(
-      'views/manage-prototype/clear-data.njk'
+      'views/manage-prototype/clear-data.njk',
+      req.app.locals
     )
   })
 
@@ -174,7 +180,11 @@ describe('manage-prototype-handlers', () => {
     getPasswordHandler(req, res)
     expect(mockNunjucksRender).toHaveBeenCalledWith(
       'views/manage-prototype/password.njk',
-      { error: undefined, returnURL: '/' }
+      expect.objectContaining({
+        ...req.app.locals,
+        error: undefined,
+        returnURL: '/'
+      })
     )
   })
 
@@ -207,7 +217,11 @@ describe('manage-prototype-handlers', () => {
     await getHomeHandler(req, res)
     expect(mockNunjucksRender).toHaveBeenCalledWith(
       'views/manage-prototype/index.njk',
-      expect.objectContaining({ currentSection: 'Home', latestAvailableKit: '1.0.0' })
+      expect.objectContaining({
+        ...req.app.locals,
+        currentSection: 'Home',
+        latestAvailableKit: '1.0.0'
+      })
     )
   })
 
@@ -215,7 +229,8 @@ describe('manage-prototype-handlers', () => {
     it('in production', () => {
       developmentOnlyMiddleware(req, res, next)
       expect(mockNunjucksRender).toHaveBeenCalledWith(
-        'views/manage-prototype/manage-prototype-not-available.njk'
+        'views/manage-prototype/manage-prototype-not-available.njk',
+        req.app.locals
       )
     })
 
@@ -253,6 +268,7 @@ describe('manage-prototype-handlers', () => {
       expect(mockNunjucksRender).toHaveBeenCalledWith(
         'views/manage-prototype/templates.njk',
         expect.objectContaining({
+          ...req.app.locals,
           currentSection: 'Templates',
           availableTemplates: [{
             packageName,
@@ -275,6 +291,7 @@ describe('manage-prototype-handlers', () => {
         expect(mockNunjucksRender).toHaveBeenCalledWith(
           path.join(packageName, templatePath),
           expect.objectContaining({
+            ...req.app.locals,
             serviceName: 'Service name goes here'
           })
         )
@@ -300,6 +317,7 @@ describe('manage-prototype-handlers', () => {
           expect(mockNunjucksRender).toHaveBeenCalledWith(
             'views/manage-prototype/template-install.njk',
             expect.objectContaining({
+              ...req.app.locals,
               currentSection: 'Templates',
               pageName: 'Create new A page with everything',
               chosenUrl,
@@ -393,6 +411,7 @@ describe('manage-prototype-handlers', () => {
       expect(mockNunjucksRender).toHaveBeenCalledWith(
         'views/manage-prototype/template-post-install.njk',
         expect.objectContaining({
+          ...req.app.locals,
           currentSection: 'Templates',
           pageName: 'Page created',
           filePath: path.join(`app/views${chosenUrl}.html`)
@@ -445,6 +464,7 @@ describe('manage-prototype-handlers', () => {
         expect(mockNunjucksRender).toHaveBeenCalledWith(
           'views/manage-prototype/plugins.njk',
           expect.objectContaining({
+            ...req.app.locals,
             currentSection: 'Plugins',
             isSearchPage: false,
             isInstalledPage: true,
@@ -460,6 +480,7 @@ describe('manage-prototype-handlers', () => {
         expect(mockNunjucksRender).toHaveBeenCalledWith(
           'views/manage-prototype/plugins.njk',
           expect.objectContaining({
+            ...req.app.locals,
             currentSection: 'Plugins',
             isSearchPage: true,
             isInstalledPage: false,
@@ -488,6 +509,7 @@ describe('manage-prototype-handlers', () => {
       expect(mockNunjucksRender).toHaveBeenCalledWith(
         'views/manage-prototype/plugin-install-or-uninstall.njk',
         expect.objectContaining({
+          ...req.app.locals,
           chosenPlugin: availablePlugin,
           command: `npm install ${packageName} --save-exact`,
           currentSection: 'Plugins',