Fraser Bond are the leading lettings and property management agents for Marble Arch Hill - London W1H. Marble Arch Hill is a temporary visitor attraction in Marble Arch, London W1. The 25m high viewing platform allows visitors a unique opportunity to look out over the area from a new perspective as the council and its partners start to transform the area. The construction cost of the mound is £1.99m. The new Marble Arch Hill temporary visitor attraction will enhance the historic Marble Arch, bringing the beauty and tranquillity of Hyde Park a little closer to neighbouring Oxford Street. The.