Possible Clues:

• Yes, a rich criminal will fence a piece of furniture
• Simple cleaner welcomes one place to sit
• It's not difficult for the professor to get this - as for the rest ?
• Piece of cake for the professor? It helps one relax
• Simple-sounding living room furniture
• Sit back and enjoy it
• I start to relax with a piece of cake and tea here?
• Something on which it's not hard to get comfy?
• Simple furniture?
• Each Hitchcock film at heart has atmosphere — can one relax in it?