Hugh Grant says he owns 17 "horrible' houses in London.The actor loves buying property so much he keeps splashing out thousands of pounds on new houses.But after he's bought a property, Hugh admits he loses interest in it and forks out for another one.The 'Love Actually' star - who is romancing society girl Jemima Khan - said: "I have gone property mad."I keep buying places then deciding they are not very nice and then buying other places. I now own about 17 houses in London, all of them horrible and badly decorated.'