Look at this example of set designs:
Below are three links!! These links help you understand what an overhead and frontal view look like! Do your best to have a frontal/overhead view for all the sets for "Murder, Actually", Use Our stage overhead view to start your overhead designs on!! Use Insert and Shapes and use the lines and boxes to create walls, windows, and furniture!!
Look at this link below to see many set designs both overhead and frontal views