The resident added: "They're a very sweet couple. They like nothing better than strolling along the canal hand in hand and going to the chippy for a fish supper."Also, a source said: "It''s rare that Rupert and Keira get to spend an extended period of time together so they''re over the moon that they're both working in London at the moment. They regard their houseboat as their sanctuary."
Knightley is presently in London to star in ''The Misanthrope' at London''s Comedy Theatre.