Take your pick ... a Georgian terrace house in Kensington and a semi in Richmond are currently looking for housesitters in July and August during London 2012 As questions go, "How can I stay in an expensive part of London during one of the world's biggest sporting events for nothing?" seems as pie in the sky as asking, "How can I get the body of an Olympian by next Tuesday?". And yet living in the lap of luxury for two or three weeks during the Olympics, without paying a penny, is not only possible, it just got easier. Housesitting company Trusted Housesitters reports a rise in the number of home owners in London looking for short-term housesitters in July and August. "I think people were waiting to see if they got Olympic tickets and those that haven't have decided to go away. In the past week 10 new London properties have been added," says spokeswoman Lisa Logan. Of the 584 homes on its books, 30 are within the M25, and another 40 within an hour of London. Properties this summer include a fantastic Georgian terrace house in Kensington available for two weeks in late July/ early August, and a semi-detached Edwardian house in leafy Richmond with a 90-foot garden. As with all its homes, you don't pay anything except the 19 sign-up fee (for three months). The catch? The majority of owners advertising on the site are doing so because they want someone to look after their pets: in Kensington