diff --git a/packages/element-web-module-api/src/api/builtins.ts b/packages/element-web-module-api/src/api/builtins.ts
index 625329e812..cf43795576 100644
--- a/packages/element-web-module-api/src/api/builtins.ts
+++ b/packages/element-web-module-api/src/api/builtins.ts
@@ -24,6 +24,15 @@ export interface RoomViewProps {
  * @alpha
  */
 export interface BuiltinsApi {
+    /**
+     * Render room avatar component from element-web.
+     *
+     * @alpha
+     * @param roomId - Id of the room
+     * @param size - Size of the avatar to render
+     */
+    renderRoomAvatar(roomId: string, size?: string): React.ReactNode;
+
     /**
      * Render room view component from element-web.
      *