diff --git a/extensions/example-extension/index.tsx b/extensions/example-extension/index.tsx
new file mode 100644
index 0000000000..1fd4a4c666
--- /dev/null
+++ b/extensions/example-extension/index.tsx
@@ -0,0 +1,24 @@
+import { DynamicPageType, LensRendererExtension, PageStore } from "@lens/ui-extensions";
+import { examplePage, ExtensionIcon } from "./page"
+
+export default class ExampleExtension extends LensRendererExtension {
+  onActivate() {
+    console.log('EXAMPLE EXTENSION RENDERER: ACTIVATED', this.getMeta());
+  }
+
+  registerPages(pageStore: PageStore) {
+    this.registerPage(pageStore, {
+      type: DynamicPageType.CLUSTER,
+      path: "/extension-example",
+      title: "Example Extension",
+      components: {
+        Page: examplePage(this),
+        MenuIcon: ExtensionIcon,
+      }
+    })
+  }
+
+  onDeactivate() {
+    console.log('EXAMPLE EXTENSION RENDERER: DEACTIVATED', this.getMeta());
+  }
+}
diff --git a/extensions/example-extension/main.ts b/extensions/example-extension/main.ts
index c193836341..28e5feddee 100644
--- a/extensions/example-extension/main.ts
+++ b/extensions/example-extension/main.ts
@@ -1,10 +1,14 @@
-import { LensExtension } from "@lens/extensions";
+import { LensMainExtension } from "@lens/extensions";
 
-export default class ExampleExtensionMain extends LensExtension {
+export default class ExampleExtensionMain extends LensMainExtension {
   onActivate() {
     console.log('EXAMPLE EXTENSION MAIN: ACTIVATED', this.getMeta());
   }
 
+  onEvent(evt: any) {
+    //
+  }
+
   onDeactivate() {
     console.log('EXAMPLE EXTENSION MAIN: DEACTIVATED', this.getMeta());
   }
diff --git a/extensions/example-extension/renderer.ts b/extensions/example-extension/renderer.ts
index f52c896514..1fd4a4c666 100644
--- a/extensions/example-extension/renderer.ts
+++ b/extensions/example-extension/renderer.ts
@@ -10,7 +10,7 @@ export default class ExampleExtension extends LensRendererExtension {
     this.registerPage(pageStore, {
       type: DynamicPageType.CLUSTER,
       path: "/extension-example",
-      menuTitle: "Example Extension",
+      title: "Example Extension",
       components: {
         Page: examplePage(this),
         MenuIcon: ExtensionIcon,
diff --git a/src/extensions/dynamic-page.tsx b/src/extensions/dynamic-page.tsx
new file mode 100644
index 0000000000..b92d102f70
--- /dev/null
+++ b/src/extensions/dynamic-page.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import { cssNames } from "../renderer/utils";
+import { TabLayout } from "../renderer/components/layout/tab-layout";
+import { PageRegistration } from "./page-store"
+
+export class DynamicPage extends React.Component<{ page: PageRegistration }> {
+  render() {
+    const { className, components: { Page }, subPages = [] } = this.props.page;
+    return (
+      <TabLayout className={cssNames("ExtensionPage", className)} tabs={subPages}>
+        <Page/>
+      </TabLayout>
+    )
+  }
+}
diff --git a/src/extensions/extension-renderer-api.ts b/src/extensions/extension-renderer-api.ts
index 33a7b6933e..8de4873778 100644
--- a/src/extensions/extension-renderer-api.ts
+++ b/src/extensions/extension-renderer-api.ts
@@ -1,5 +1,5 @@
 // Lens-extensions api developer's kit
-export type { LensExtensionRuntimeEnv, PageStore } from "./lens-runtime";
+export type { LensExtensionRuntimeEnv, PageStore } from "./lens-renderer-runtime";
 
 // APIs
 export * from "./lens-renderer-extension"
diff --git a/src/extensions/lens-renderer-extension.ts b/src/extensions/lens-renderer-extension.ts
index 4ca4620522..0c48491bd1 100644
--- a/src/extensions/lens-renderer-extension.ts
+++ b/src/extensions/lens-renderer-extension.ts
@@ -1,4 +1,4 @@
-import type { PageStore } from "./lens-runtime"
+import type { PageStore } from "./lens-renderer-runtime"
 import type { PageRegistration } from "./page-store"
 import { LensExtension } from "./lens-extension"
 
diff --git a/src/extensions/lens-renderer-runtime.ts b/src/extensions/lens-renderer-runtime.ts
new file mode 100644
index 0000000000..fef56fca07
--- /dev/null
+++ b/src/extensions/lens-renderer-runtime.ts
@@ -0,0 +1,21 @@
+// Lens extension runtime params available to renderer extensions after activation
+
+import logger from "../main/logger";
+import { navigate } from "../renderer/navigation";
+import { PageRegistration } from "./page-store";
+
+export interface PageStore {
+  register(params: PageRegistration): () => void
+}
+
+export interface LensExtensionRuntimeEnv {
+  logger: typeof logger;
+  navigate: typeof navigate;
+}
+
+export function getLensRuntime(): LensExtensionRuntimeEnv {
+  return {
+    logger,
+    navigate
+  }
+}
diff --git a/src/extensions/lens-runtime.ts b/src/extensions/lens-runtime.ts
index a9a5f727de..07e6a5cbaf 100644
--- a/src/extensions/lens-runtime.ts
+++ b/src/extensions/lens-runtime.ts
@@ -1,11 +1,6 @@
 // Lens extension runtime params available to extensions after activation
 
 import logger from "../main/logger";
-import { PageRegistration } from "./page-store";
-
-export interface PageStore {
-  register(params: PageRegistration): () => void
-}
 
 export interface LensExtensionRuntimeEnv {
   logger: typeof logger;
@@ -13,6 +8,6 @@ export interface LensExtensionRuntimeEnv {
 
 export function getLensRuntime(): LensExtensionRuntimeEnv {
   return {
-    logger,
+    logger
   }
 }
diff --git a/src/extensions/page-store.ts b/src/extensions/page-store.ts
index 78a9b767cf..53509534d8 100644
--- a/src/extensions/page-store.ts
+++ b/src/extensions/page-store.ts
@@ -2,18 +2,24 @@
 
 import { computed, observable } from "mobx";
 import React from "react";
-import type { IconProps } from "../renderer/components/icon";
+import { RouteProps } from "react-router";
+import { IconProps } from "../renderer/components/icon";
+import { IClassName } from "../renderer/utils";
+import { TabRoute } from "../renderer/components/layout/tab-layout";
 
 export enum DynamicPageType {
   GLOBAL = "lens-scope",
   CLUSTER = "cluster-view-scope",
 }
 
-export interface PageRegistration {
+export interface PageRegistration extends RouteProps {
+  className?: IClassName;
+  url?: string; // initial url to be used for building menus and tabs, otherwise "path" applied by default
   path: string; // route-path
-  menuTitle: string;
+  title: React.ReactNode; // used in sidebar's & tabs-layout
   type: DynamicPageType;
   components: PageComponents;
+  subPages?: (PageRegistration & TabRoute)[];
 }
 
 export interface PageComponents {
diff --git a/src/renderer/components/app.tsx b/src/renderer/components/app.tsx
index bd79258780..96f4333c71 100755
--- a/src/renderer/components/app.tsx
+++ b/src/renderer/components/app.tsx
@@ -37,6 +37,7 @@ import logger from "../../main/logger";
 import { clusterIpc } from "../../common/cluster-ipc";
 import { webFrame } from "electron";
 import { pageStore } from "../../extensions/page-store";
+import { DynamicPage } from "../../extensions/dynamic-page";
 import { extensionLoader } from "../../extensions/extension-loader";
 import { getLensRuntime } from "../../extensions/lens-runtime";
 
@@ -77,8 +78,8 @@ export class App extends React.Component {
                 <Route component={CustomResources} {...crdRoute}/>
                 <Route component={UserManagement} {...usersManagementRoute}/>
                 <Route component={Apps} {...appsRoute}/>
-                {pageStore.clusterPages.map(({ path, components: { Page } }) => {
-                  return <Route key={path} path={path} component={Page}/>
+                {pageStore.clusterPages.map(page => {
+                  return <Route {...page} key={page.path} render={() => <DynamicPage page={page}/>}/>
                 })}
                 <Redirect exact from="/" to={this.startURL}/>
                 <Route component={NotFound}/>
diff --git a/src/renderer/components/cluster-manager/clusters-menu.tsx b/src/renderer/components/cluster-manager/clusters-menu.tsx
index 5c9e9a1ae2..f20fddcf80 100644
--- a/src/renderer/components/cluster-manager/clusters-menu.tsx
+++ b/src/renderer/components/cluster-manager/clusters-menu.tsx
@@ -22,7 +22,7 @@ import { ConfirmDialog } from "../confirm-dialog";
 import { clusterIpc } from "../../../common/cluster-ipc";
 import { clusterViewURL } from "./cluster-view.route";
 import { DragDropContext, Droppable, Draggable, DropResult, DroppableProvided, DraggableProvided } from "react-beautiful-dnd";
-import { dynamicPages } from "../../../extensions/register-page";
+import { pageStore } from "../../../extensions/page-store";
 
 interface Props {
   className?: IClassName;
@@ -156,7 +156,7 @@ export class ClustersMenu extends React.Component<Props> {
           )}
         </div>
         <div className="dynamic-pages">
-          {dynamicPages.globalPages.map(({ path, components: { MenuIcon } }) => {
+          {pageStore.globalPages.map(({ path, components: { MenuIcon } }) => {
             return <MenuIcon key={path} onClick={() => navigate(path)}/>
           })}
         </div>
diff --git a/src/renderer/components/layout/sidebar.tsx b/src/renderer/components/layout/sidebar.tsx
index 68c82f8676..ab934d2170 100644
--- a/src/renderer/components/layout/sidebar.tsx
+++ b/src/renderer/components/layout/sidebar.tsx
@@ -28,7 +28,7 @@ import { CrdList, crdResourcesRoute, crdRoute, crdURL } from "../+custom-resourc
 import { CustomResources } from "../+custom-resources/custom-resources";
 import { navigation } from "../../navigation";
 import { isAllowedResource } from "../../../common/rbac"
-import { dynamicPages } from "../../../extensions/register-page";
+import { pageStore } from "../../../extensions/page-store";
 
 const SidebarContext = React.createContext<SidebarContextValue>({ pinned: false });
 type SidebarContextValue = {
@@ -184,14 +184,14 @@ export class Sidebar extends React.Component<Props> {
             >
               {this.renderCustomResources()}
             </SidebarNavItem>
-            {dynamicPages.clusterPages.map(({ path, menuTitle, components: { MenuIcon } }) => {
+            {pageStore.clusterPages.map(({ path, title, components: { MenuIcon } }) => {
               return (
                 <SidebarNavItem
                   key={path}
                   id={`extension-${path}`}
                   url={path}
                   routePath={path}
-                  text={menuTitle}
+                  text={title}
                   icon={<MenuIcon/>}
                 />
               )
diff --git a/src/renderer/components/layout/tab-layout.tsx b/src/renderer/components/layout/tab-layout.tsx
index 82c0cac6cf..597cb6444e 100644
--- a/src/renderer/components/layout/tab-layout.tsx
+++ b/src/renderer/components/layout/tab-layout.tsx
@@ -1,5 +1,4 @@
 import "./tab-layout.scss";
-
 import React, { ReactNode } from "react";
 import { matchPath, RouteProps } from "react-router-dom";
 import { observer } from "mobx-react";
@@ -7,7 +6,6 @@ import { cssNames } from "../../utils";
 import { Tab, Tabs } from "../tabs";
 import { ErrorBoundary } from "../error-boundary";
 import { navigate, navigation } from "../../navigation";
-import { getHostedCluster } from "../../../common/cluster-store";
 
 export interface TabRoute extends RouteProps {
   title: React.ReactNode;
@@ -23,17 +21,13 @@ interface Props {
 
 export const TabLayout = observer(({ className, contentClass, tabs, children }: Props) => {
   const routePath = navigation.location.pathname;
-  const cluster = getHostedCluster();
-  if (!cluster) {
-    return null; // fix: skip render when removing active (visible) cluster
-  }
   return (
     <div className={cssNames("TabLayout", className)}>
       {tabs && (
         <Tabs center onChange={(url) => navigate(url)}>
           {tabs.map(({ title, path, url, ...routeProps }) => {
             const isActive = !!matchPath(routePath, { path, ...routeProps });
-            return <Tab key={url} label={title} value={url} active={isActive} />;
+            return <Tab key={url} label={title} value={url} active={isActive}/>;
           })}
         </Tabs>
       )}