Head to our website for lower prices and more accommodation options. Just search for Property Promise Cardiff and you'll find us online! Telephone and chat support during your stay, so you can rely on us to be there if you need us. ApartHotel; a modern purpose built multi-apartment building close to the Principality Stadium. Apartment 9: A self-contained and private one bedroom 1st floor apartment. Sleeping arrangements: 1 double bed 1 double sofa bed