Hilton's newest hotel at Heathrow has the best of both worlds being just over a mile from Terminal 5 whilst nestling in 13 acres of landscaped grounds combined with stunning contemporary interiors. Weddings taking place at Hilton London Heathrow Airport Terminal 5 enjoy the experience of The Gallery Rooms which offers space for up to 816 guests. With state of the art lighting, stunning chandeliers and an additional breakout space for buffets and receptions, The Gallery Rooms provide the ultimate and unique venue for your wedding.