diff --git a/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.spec.ts b/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.spec.ts
index 780589d0c5..d2335f623f 100644
--- a/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.spec.ts
+++ b/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.spec.ts
@@ -2,7 +2,7 @@ import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 import { CommunityDataService } from '../../../core/data/community-data.service';
 import { RouteService } from '../../../core/services/route.service';
 import { Router } from '@angular/router';
-import { TranslateModule } from '@ngx-translate/core';
+import {TranslateModule, TranslateService} from '@ngx-translate/core';
 import { of as observableOf } from 'rxjs';
 import { Community } from '../../../core/shared/community.model';
 import { SharedModule } from '../../shared.module';
@@ -12,12 +12,14 @@ import { NO_ERRORS_SCHEMA } from '@angular/core';
 import { DSpaceObject } from '../../../core/shared/dspace-object.model';
 import { CreateComColPageComponent } from './create-comcol-page.component';
 import {
-  createFailedRemoteDataObject$,
+  createFailedRemoteDataObject$, createNoContentRemoteDataObject$,
   createSuccessfulRemoteDataObject$
 } from '../../remote-data.utils';
 import { ComColDataService } from '../../../core/data/comcol-data.service';
 import { NotificationsService } from '../../notifications/notifications.service';
 import { NotificationsServiceStub } from '../../testing/notifications-service.stub';
+import { RequestService } from '../../../core/data/request.service';
+import {getTestScheduler} from 'jasmine-marbles';
 
 describe('CreateComColPageComponent', () => {
   let comp: CreateComColPageComponent<DSpaceObject>;
@@ -29,9 +31,11 @@ describe('CreateComColPageComponent', () => {
 
   let community;
   let newCommunity;
+  let parentCommunity;
   let communityDataServiceStub;
   let routeServiceStub;
   let routerStub;
+  let requestServiceStub;
 
   const logoEndpoint = 'rest/api/logo/endpoint';
 
@@ -44,6 +48,15 @@ describe('CreateComColPageComponent', () => {
       }]
     });
 
+    parentCommunity = Object.assign(new Community(), {
+      uuid: 'a20da287-e174-466a-9926-f66as300d399',
+      id: 'a20da287-e174-466a-9926-f66as300d399',
+      metadata: [{
+        key: 'dc.title',
+        value: 'parent community'
+      }]
+    });
+
     newCommunity = Object.assign(new Community(), {
       uuid: '1ff59938-a69a-4e62-b9a4-718569c55d48',
       metadata: [{
@@ -61,7 +74,8 @@ describe('CreateComColPageComponent', () => {
         }]
       })),
       create: (com, uuid?) => createSuccessfulRemoteDataObject$(newCommunity),
-      getLogoEndpoint: () => observableOf(logoEndpoint)
+      getLogoEndpoint: () => observableOf(logoEndpoint),
+      findByHref: () => null
     };
 
     routeServiceStub = {
@@ -71,6 +85,10 @@ describe('CreateComColPageComponent', () => {
       navigate: (commands) => commands
     };
 
+    requestServiceStub = jasmine.createSpyObj('RequestService', {
+      removeByHrefSubstring: jasmine.createSpy('removeByHrefSubstring'),
+    });
+
   }
 
   beforeEach(async(() => {
@@ -82,7 +100,9 @@ describe('CreateComColPageComponent', () => {
         { provide: CommunityDataService, useValue: communityDataServiceStub },
         { provide: RouteService, useValue: routeServiceStub },
         { provide: Router, useValue: routerStub },
-        { provide: NotificationsService, useValue: new NotificationsServiceStub() }
+        { provide: NotificationsService, useValue: new NotificationsServiceStub() },
+        { provide: TranslateService, useValue: {}},
+        { provide: RequestService, useValue: requestServiceStub}
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
@@ -123,19 +143,23 @@ describe('CreateComColPageComponent', () => {
         };
       });
 
-      it('should navigate when successful', () => {
+      it('should navigate and refresh cache when successful', () => {
         spyOn(router, 'navigate');
+        spyOn((comp as any), 'refreshCache');
         comp.onSubmit(data);
         fixture.detectChanges();
         expect(router.navigate).toHaveBeenCalled();
+        expect((comp as any).refreshCache).toHaveBeenCalled();
       });
 
-      it('should not navigate on failure', () => {
+      it('should neither navigate nor refresh cache on failure', () => {
         spyOn(router, 'navigate');
         spyOn(dsoDataService, 'create').and.returnValue(createFailedRemoteDataObject$(newCommunity));
+        spyOn((comp as any), 'refreshCache')
         comp.onSubmit(data);
         fixture.detectChanges();
         expect(router.navigate).not.toHaveBeenCalled();
+        expect((comp as any).refreshCache).not.toHaveBeenCalled();
       });
     });
 
@@ -182,5 +206,77 @@ describe('CreateComColPageComponent', () => {
         expect(data.uploader.uploadAll).toHaveBeenCalled();
       });
     });
+
+    describe('cache refresh', () => {
+      let scheduler;
+      let communityWithoutParentHref;
+
+      beforeEach(() => {
+        scheduler = getTestScheduler();
+
+      })
+      describe('cache refreshed top level community', () => {
+        beforeEach(() => {
+          spyOn(dsoDataService, 'findByHref').and.returnValue(createNoContentRemoteDataObject$());
+          data = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'top level community'
+              }]
+            }),
+            _links: {
+              parentCommunity: {
+                href: 'topLevel/parentCommunity'
+              }
+            }
+          };
+          communityWithoutParentHref = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'top level community'
+              }]
+            }),
+            _links: {}
+          };
+        });
+        it('top level community cache refreshed', () => {
+          scheduler.schedule(() => (comp as any).refreshCache(data));
+          scheduler.flush();
+          expect(requestServiceStub.removeByHrefSubstring).toHaveBeenCalledWith('communities/search/top');
+        });
+        it('top level community without parent link, cache not refreshed', () => {
+          scheduler.schedule(() => (comp as any).refreshCache(communityWithoutParentHref));
+          scheduler.flush();
+          expect(requestServiceStub.removeByHrefSubstring).not.toHaveBeenCalled();
+        });
+      });
+
+      describe('cache refreshed child community', () => {
+        beforeEach(() => {
+          spyOn(dsoDataService, 'findByHref').and.returnValue(createSuccessfulRemoteDataObject$(parentCommunity));
+          data = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'child community'
+              }]
+            }),
+            _links: {
+              parentCommunity: {
+                href: 'child/parentCommunity'
+              }
+            }
+          };
+        });
+        it('child level community cache refreshed', () => {
+          scheduler.schedule(() => (comp as any).refreshCache(data));
+          scheduler.flush();
+          expect(requestServiceStub.removeByHrefSubstring).toHaveBeenCalledWith('a20da287-e174-466a-9926-f66as300d399');
+        });
+      });
+    });
+
   });
 });
diff --git a/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.ts b/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.ts
index f55a7f0156..336998aab3 100644
--- a/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.ts
+++ b/src/app/shared/comcol-forms/create-comcol-page/create-comcol-page.component.ts
@@ -11,8 +11,7 @@ import { Community } from '../../../core/shared/community.model';
 import { DSpaceObject } from '../../../core/shared/dspace-object.model';
 import {
   getFirstSucceededRemoteDataPayload,
-  getRemoteDataPayload,
-  getSucceededRemoteData
+  getSucceededOrNoContentResponse,
 } from '../../../core/shared/operators';
 import { ResourceType } from '../../../core/shared/resource-type';
 import {hasValue, isEmpty, isNotEmpty, isNotUndefined} from '../../empty.util';
@@ -123,11 +122,12 @@ export class CreateComColPageComponent<TDomain extends DSpaceObject> implements
         return;
       }
       this.dsoDataService.findByHref(parentCommunityUrl).pipe(
-        getSucceededRemoteData(),
-        getRemoteDataPayload(),
-        map((pc: TDomain) => isEmpty(pc) ? 'communities/search/top' : pc.id),
-        take(1)
-      ).subscribe((href: string) => this.requestService.removeByHrefSubstring(href));
+        getSucceededOrNoContentResponse(),
+        take(1),
+      ).subscribe((rd: RemoteData<TDomain>) => {
+        const href = rd.hasSucceeded && !isEmpty(rd.payload.id) ? rd.payload.id : 'communities/search/top';
+        this.requestService.removeByHrefSubstring(href)
+      });
   }
 
   private parentCommunityUrl(dso: Collection | Community) {
diff --git a/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.spec.ts b/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.spec.ts
index e791f41d56..9da77df007 100644
--- a/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.spec.ts
+++ b/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.spec.ts
@@ -1,7 +1,7 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 import { CommunityDataService } from '../../../core/data/community-data.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { TranslateModule } from '@ngx-translate/core';
+import {TranslateModule, TranslateService} from '@ngx-translate/core';
 import { of as observableOf } from 'rxjs';
 import { Community } from '../../../core/shared/community.model';
 import { SharedModule } from '../../shared.module';
@@ -13,6 +13,9 @@ import { DataService } from '../../../core/data/data.service';
 import { DeleteComColPageComponent } from './delete-comcol-page.component';
 import { NotificationsService } from '../../notifications/notifications.service';
 import { NotificationsServiceStub } from '../../testing/notifications-service.stub';
+import {RequestService} from '../../../core/data/request.service';
+import {getTestScheduler} from 'jasmine-marbles';
+import {createNoContentRemoteDataObject$, createSuccessfulRemoteDataObject$} from '../../remote-data.utils';
 
 describe('DeleteComColPageComponent', () => {
   let comp: DeleteComColPageComponent<DSpaceObject>;
@@ -22,9 +25,13 @@ describe('DeleteComColPageComponent', () => {
 
   let community;
   let newCommunity;
+  let parentCommunity;
   let routerStub;
   let routeStub;
   let notificationsService;
+  let translateServiceStub;
+  let requestServiceStub;
+
   const validUUID = 'valid-uuid';
   const invalidUUID = 'invalid-uuid';
   const frontendURL = '/testType';
@@ -45,10 +52,20 @@ describe('DeleteComColPageComponent', () => {
       }]
     });
 
+    parentCommunity = Object.assign(new Community(), {
+      uuid: 'a20da287-e174-466a-9926-f66as300d399',
+      id: 'a20da287-e174-466a-9926-f66as300d399',
+      metadata: [{
+        key: 'dc.title',
+        value: 'parent community'
+      }]
+    });
+
     dsoDataService = jasmine.createSpyObj(
       'dsoDataService',
       {
-        delete: observableOf({ isSuccessful: true })
+        delete: observableOf({ isSuccessful: true }),
+        findByHref: jasmine.createSpy('findByHref')
       });
 
     routerStub = {
@@ -59,6 +76,14 @@ describe('DeleteComColPageComponent', () => {
       data: observableOf(community)
     };
 
+    requestServiceStub = jasmine.createSpyObj('RequestService', {
+      removeByHrefSubstring: jasmine.createSpy('removeByHrefSubstring')
+    });
+
+    translateServiceStub = jasmine.createSpyObj('TranslateService', {
+      instant: jasmine.createSpy('instant')
+    });
+
   }
 
   beforeEach(async(() => {
@@ -70,6 +95,8 @@ describe('DeleteComColPageComponent', () => {
         { provide: Router, useValue: routerStub },
         { provide: ActivatedRoute, useValue: routeStub },
         { provide: NotificationsService, useValue: new NotificationsServiceStub() },
+        { provide: TranslateService, useValue: translateServiceStub},
+        { provide: RequestService, useValue: requestServiceStub}
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
@@ -108,17 +135,21 @@ describe('DeleteComColPageComponent', () => {
     it('should show an error notification on failure', () => {
       (dsoDataService.delete as any).and.returnValue(observableOf({ isSuccessful: false }));
       spyOn(router, 'navigate');
+      spyOn((comp as any), 'refreshCache');
       comp.onConfirm(data2);
       fixture.detectChanges();
       expect(notificationsService.error).toHaveBeenCalled();
+      expect((comp as any).refreshCache).not.toHaveBeenCalled();
       expect(router.navigate).toHaveBeenCalled();
     });
 
     it('should show a success notification on success and navigate', () => {
       spyOn(router, 'navigate');
+      spyOn((comp as any), 'refreshCache');
       comp.onConfirm(data1);
       fixture.detectChanges();
       expect(notificationsService.success).toHaveBeenCalled();
+      expect((comp as any).refreshCache).toHaveBeenCalled();
       expect(router.navigate).toHaveBeenCalled();
     });
 
@@ -127,6 +158,78 @@ describe('DeleteComColPageComponent', () => {
       fixture.detectChanges();
       expect(dsoDataService.delete).toHaveBeenCalledWith(data1.id);
     });
+
+    describe('cache refresh', () => {
+      let scheduler;
+      let communityWithoutParentHref;
+      let deletedCommunity;
+
+      beforeEach(() => {
+        scheduler = getTestScheduler();
+
+      })
+      describe('cache refreshed top level community', () => {
+        beforeEach(() => {
+          (dsoDataService.findByHref as any).and.returnValue(createNoContentRemoteDataObject$());
+          deletedCommunity = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'top level community'
+              }]
+            }),
+            _links: {
+              parentCommunity: {
+                href: 'topLevel/parentCommunity'
+              }
+            }
+          };
+          communityWithoutParentHref = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'top level community'
+              }]
+            }),
+            _links: {}
+          };
+        });
+        it('top level community cache refreshed', () => {
+          scheduler.schedule(() => (comp as any).refreshCache(deletedCommunity));
+          scheduler.flush();
+          expect(requestServiceStub.removeByHrefSubstring).toHaveBeenCalledWith('communities/search/top');
+        });
+        it('top level community without parent link, cache not refreshed', () => {
+          scheduler.schedule(() => (comp as any).refreshCache(communityWithoutParentHref));
+          scheduler.flush();
+          expect(requestServiceStub.removeByHrefSubstring).not.toHaveBeenCalled();
+        });
+      });
+
+      describe('cache refreshed child community', () => {
+        beforeEach(() => {
+          (dsoDataService.findByHref as any).and.returnValue(createSuccessfulRemoteDataObject$(parentCommunity));
+          deletedCommunity = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'child community'
+              }]
+            }),
+            _links: {
+              parentCommunity: {
+                href: 'child/parentCommunity'
+              }
+            }
+          };
+        });
+        it('child level community cache refreshed', () => {
+          scheduler.schedule(() => (comp as any).refreshCache(deletedCommunity));
+          scheduler.flush();
+          expect(requestServiceStub.removeByHrefSubstring).toHaveBeenCalledWith('a20da287-e174-466a-9926-f66as300d399');
+        });
+      });
+    });
   });
 
   describe('onCancel', () => {
diff --git a/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.ts b/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.ts
index 29ec4f7b19..835d302de3 100644
--- a/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.ts
+++ b/src/app/shared/comcol-forms/delete-comcol-page/delete-comcol-page.component.ts
@@ -10,7 +10,9 @@ import {TranslateService} from '@ngx-translate/core';
 import {RestResponse} from '../../../core/cache/response.models';
 import {hasValue, isEmpty, isNotEmpty} from '../../empty.util';
 import {RequestService} from '../../../core/data/request.service';
-import {getRemoteDataPayload, getSucceededRemoteData} from '../../../core/shared/operators';
+import {
+  getSucceededOrNoContentResponse,
+} from '../../../core/shared/operators';
 import {Community} from '../../../core/shared/community.model';
 import {Collection} from '../../../core/shared/collection.model';
 
@@ -74,16 +76,17 @@ export class DeleteComColPageComponent<TDomain extends DSpaceObject> implements
   }
 
   private refreshCache(dso: TDomain) {
-    const parentCommunity = this.parentCommunityUrl(dso as any);
-    if (!hasValue(parentCommunity)) {
+    const parentCommunityUrl = this.parentCommunityUrl(dso as any);
+    if (!hasValue(parentCommunityUrl)) {
       return;
     }
-    this.dsoDataService.findByHref(parentCommunity).pipe(
-      getSucceededRemoteData(),
-      getRemoteDataPayload(),
-      map((pc: TDomain) =>  isEmpty(pc) ? 'communities/search/top' : pc.id ),
-      take(1)
-    ).subscribe((id: string) => this.requestService.removeByHrefSubstring(id));
+    this.dsoDataService.findByHref(parentCommunityUrl).pipe(
+      getSucceededOrNoContentResponse(),
+      take(1),
+    ).subscribe((rd: RemoteData<TDomain>) => {
+      const href = rd.hasSucceeded && !isEmpty(rd.payload.id) ? rd.payload.id : 'communities/search/top';
+      this.requestService.removeByHrefSubstring(href)
+    });
   }
 
   private parentCommunityUrl(dso: Collection | Community): string {