Bookings for this hotel cannot be made with American Express. There is a minimum booking of 2 nights stay over weekends. The Cardiff Hotel is a budget bed & breakfast hotel in the heart of London, run by the Davies family for almost 40 years. The hotel is located in a quiet tree-lined square not far from Paddington Station and the Heathrow Express Train. You can enjoy being a few minutes' walk from some of London's most famous attractions, with easy underground and bus links to the West End, Oxford Street, theatres, the museums, Harrods and other tourist attractions.