diff --git a/src/main/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormController.java b/src/main/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormController.java
index 1f7a010e..5d9b9ed9 100644
--- a/src/main/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormController.java
+++ b/src/main/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormController.java
@@ -6,6 +6,7 @@
 import gov.cabinetoffice.gap.adminbackend.dtos.errors.GenericErrorDTO;
 import gov.cabinetoffice.gap.adminbackend.dtos.schemes.SchemeDTO;
 import gov.cabinetoffice.gap.adminbackend.entities.ApplicationFormEntity;
+import gov.cabinetoffice.gap.adminbackend.entities.GrantAdmin;
 import gov.cabinetoffice.gap.adminbackend.enums.ApplicationStatusEnum;
 import gov.cabinetoffice.gap.adminbackend.enums.EventType;
 import gov.cabinetoffice.gap.adminbackend.exceptions.ApplicationFormException;
@@ -52,6 +53,8 @@ public class ApplicationFormController {
 
     private final EventLogService eventLogService;
 
+    private final UserService userService;
+
     @PostMapping
     @ApiResponses(value = {
             @ApiResponse(responseCode = "201", description = "Application form created successfully.",
@@ -232,6 +235,20 @@ public ResponseEntity<GenericErrorDTO> updateApplicationForm(HttpServletRequest
 
     }
 
+    @GetMapping("/{applicationId}/lastUpdated/email")
+    @CheckSchemeOwnership
+    public ResponseEntity<String> getLastUpdatedEmail(@PathVariable final Integer applicationId) {
+        final Integer lastUpdatedBy = applicationFormService.getLastUpdatedBy(applicationId);
+        final Optional<GrantAdmin> grantAdmin = userService.getGrantAdminById(lastUpdatedBy);
+        if (grantAdmin.isEmpty()) {
+            return ResponseEntity.notFound().build();
+        }
+
+        final String sub = grantAdmin.get().getGapUser().getUserSub();
+        final String email = userService.getEmailAddressForSub(sub);
+        return ResponseEntity.ok(email);
+    }
+
     private void logApplicationEvent(EventType eventType, String sessionId, String applicationId) {
 
         try {
diff --git a/src/main/java/gov/cabinetoffice/gap/adminbackend/repositories/ApplicationFormRepository.java b/src/main/java/gov/cabinetoffice/gap/adminbackend/repositories/ApplicationFormRepository.java
index 28b10d6c..6e9232d3 100644
--- a/src/main/java/gov/cabinetoffice/gap/adminbackend/repositories/ApplicationFormRepository.java
+++ b/src/main/java/gov/cabinetoffice/gap/adminbackend/repositories/ApplicationFormRepository.java
@@ -15,7 +15,6 @@
 public interface ApplicationFormRepository extends JpaRepository<ApplicationFormEntity, Integer> {
 
     Optional<ApplicationFormEntity> findById(Integer applicationId);
-
     Optional<ApplicationFormNoSections> findByGrantApplicationId(Integer applicationId);
     Optional<ApplicationFormEntity> findByGrantSchemeId(Integer grantSchemeId);
 
diff --git a/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormSectionService.java b/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormSectionService.java
index e4ed6d2a..5807384b 100644
--- a/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormSectionService.java
+++ b/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormSectionService.java
@@ -73,7 +73,6 @@ public void deleteSectionFromApplication(Integer applicationId, String sectionId
         }
 
         ApplicationFormUtils.updateAuditDetailsAfterFormChange(applicationForm, false);
-
         this.applicationFormRepository.save(applicationForm);
 
     }
@@ -128,6 +127,7 @@ public void updateSectionOrder(final Integer applicationId, final String section
         sections.add(NEW_SECTION_INDEX, section);
 
         applicationForm.getDefinition().setSections(sections);
+        ApplicationFormUtils.updateAuditDetailsAfterFormChange(applicationForm, false);
         this.applicationFormRepository.save(applicationForm);
     }
 
diff --git a/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormService.java b/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormService.java
index 3011f4c7..593e0fd7 100644
--- a/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormService.java
+++ b/src/main/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormService.java
@@ -24,7 +24,6 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.math.NumberUtils;
-import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Service;
 
@@ -374,6 +373,14 @@ public void updateQuestionOrder(final Integer applicationId, final String sectio
         questions.add(newSectionIndex, question);
 
         applicationForm.getDefinition().setSections(sections);
+        ApplicationFormUtils.updateAuditDetailsAfterFormChange(applicationForm, false);
         save(applicationForm);
     }
+
+    public Integer getLastUpdatedBy(Integer applicationId) {
+        return this.applicationFormRepository.findById(applicationId)
+                .orElseThrow(() -> new NotFoundException("Application with id " + applicationId + " does not exist"))
+                .getLastUpdateBy();
+
+    }
 }
diff --git a/src/test/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormControllerTest.java b/src/test/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormControllerTest.java
index b3c0d077..914f5751 100644
--- a/src/test/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormControllerTest.java
+++ b/src/test/java/gov/cabinetoffice/gap/adminbackend/controllers/ApplicationFormControllerTest.java
@@ -6,19 +6,14 @@
 import gov.cabinetoffice.gap.adminbackend.dtos.application.ApplicationFormsFoundDTO;
 import gov.cabinetoffice.gap.adminbackend.dtos.errors.GenericErrorDTO;
 import gov.cabinetoffice.gap.adminbackend.dtos.schemes.SchemeDTO;
-import gov.cabinetoffice.gap.adminbackend.entities.ApplicationFormEntity;
-import gov.cabinetoffice.gap.adminbackend.entities.GrantAdvert;
-import gov.cabinetoffice.gap.adminbackend.entities.SchemeEntity;
+import gov.cabinetoffice.gap.adminbackend.entities.*;
 import gov.cabinetoffice.gap.adminbackend.enums.ApplicationStatusEnum;
 import gov.cabinetoffice.gap.adminbackend.exceptions.ApplicationFormException;
 import gov.cabinetoffice.gap.adminbackend.exceptions.NotFoundException;
 import gov.cabinetoffice.gap.adminbackend.mappers.ValidationErrorMapperImpl;
 import gov.cabinetoffice.gap.adminbackend.repositories.ApplicationFormRepository;
 import gov.cabinetoffice.gap.adminbackend.security.interceptors.AuthorizationHeaderInterceptor;
-import gov.cabinetoffice.gap.adminbackend.services.ApplicationFormService;
-import gov.cabinetoffice.gap.adminbackend.services.EventLogService;
-import gov.cabinetoffice.gap.adminbackend.services.GrantAdvertService;
-import gov.cabinetoffice.gap.adminbackend.services.SchemeService;
+import gov.cabinetoffice.gap.adminbackend.services.*;
 import gov.cabinetoffice.gap.adminbackend.utils.HelperUtils;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
@@ -104,6 +99,9 @@ class ApplicationFormControllerTest {
     @MockBean
     private SchemeService schemeService;
 
+    @MockBean
+    private UserService userService;
+
     @Test
     @WithAdminSession
     void saveApplicationFormHappyPathTest() throws Exception {
@@ -441,4 +439,28 @@ void updateApplicationForm_GenericApplicationFormException() throws Exception {
         verifyNoInteractions(eventLogService);
     }
 
+    @Test
+    void getLastUpdatedEmailHappyPath() throws Exception {
+        when(userService.getEmailAddressForSub(anyString())).thenReturn("test@test.gov");
+        when(applicationFormRepository.findById(anyInt())).thenReturn(Optional.of(ApplicationFormEntity.builder().lastUpdateBy(1).build()));
+        when(userService.getGrantAdminById(anyInt())).thenReturn(Optional.of(GrantAdmin.builder().gapUser(GapUser.builder().userSub("sub").build()).build()));
+
+        this.mockMvc.perform(get("/application-forms/1/lastUpdated/email")).andExpect(status().isOk())
+                .andExpect(content().string("test@test.gov"));
+
+    }
+
+    @Test
+    void getLastUpdatedEmailReturnsNotFoundWhenNoApplicationFound() throws Exception {
+        when(applicationFormRepository.findById(anyInt())).thenReturn(Optional.empty());
+        this.mockMvc.perform(get("/application-forms/1/lastUpdated/email")).andExpect(status().isNotFound());
+    }
+
+    @Test
+    void getLastUpdatedEmailReturnsNotFoundWhenNoGrantAdminFound() throws Exception {
+        when(applicationFormRepository.findById(anyInt())).
+                thenReturn(Optional.of(ApplicationFormEntity.builder().lastUpdateBy(1).build()));
+        when(userService.getGrantAdminById(anyInt())).thenReturn(Optional.empty());
+        this.mockMvc.perform(get("/application-forms/1/lastUpdated/email")).andExpect(status().isNotFound());
+    }
 }
diff --git a/src/test/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormServiceTest.java b/src/test/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormServiceTest.java
index 8ba07db7..b9c6ce38 100644
--- a/src/test/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormServiceTest.java
+++ b/src/test/java/gov/cabinetoffice/gap/adminbackend/services/ApplicationFormServiceTest.java
@@ -740,6 +740,27 @@ void patchCreatedByDoesNothingIfAdminIdIsNotFound() {
         verify(applicationFormRepository, never()).save(any());
     }
 
+    @Test
+    void getLastUpdatedByByReturnsLastUpdatedByForApplication() {
+        ApplicationFormEntity testApplicationFormEntity = randomApplicationFormEntity().lastUpdateBy(2).build();
+        Mockito.when(ApplicationFormServiceTest.this.applicationFormRepository.findById(1))
+                .thenReturn(Optional.of(testApplicationFormEntity));
+
+        Integer lastUpdatedBy = ApplicationFormServiceTest.this.applicationFormService.getLastUpdatedBy(1);
+
+        assertThat(lastUpdatedBy).isEqualTo(2);
+    }
+
+    @Test
+    void getLastUpdatedByReturnsNFEIfNoApplicationFound() {
+        Mockito.when(ApplicationFormServiceTest.this.applicationFormRepository.findById(1))
+                .thenReturn(Optional.empty());
+
+        assertThatThrownBy(() -> ApplicationFormServiceTest.this.applicationFormService.getLastUpdatedBy(1)).isInstanceOf(NotFoundException.class)
+                .hasMessage("Application with id 1 does not exist");
+    }
+
+
 
     @Nested
     class updateQuestionOrder {