La Maison Du William The La Maison Du William is a small hotel in Roma. The hotel offers on site car parking. Dining is available at the hotel, which has it's own restaurant. Rooms at the La Maison Du William. All rooms have a hairdryer. Smoking in certain bedrooms is allowed, as well as in public areas of the hotel. Please specify when making your booking. Additional Info. The hotel offers an airport shuttle service. Pets are most welcome at the hotel. Hotel guests can make use of the concierge service that is provided.