Fraser Bond are the leading lettings and property management agents for 29-30 Buckingham Gate - London SW1E. 29-30 Buckingham Gate is an office development in Victoria, London SW1. On the south side of Buckingham Gate overlooking Wellington Barracks. The existing building is stripped to the concrete frame. The new building will provide ca 18,708 sq ft of office space. The building has a basement, ground and five upper floors with roof terraces at fourth-floor level. History 2016 December - Planning permission for: Redevelopment of 30 Buckingham Gate (with retention of existing concrete frame) to.