Fraser Bond are the leading lettings and property management agents for 81 Newgate Street - London EC1A. 81 Newgate Street is a mixed-use development in the City of London EC2. The scheme will provide more than 67,500m2 of flexible office space, retail and leisure spaces, publicly and privately accessible roof terraces and a rooftop restaurant. There will be a public walkway through the building improving pedestrian mobility at the St Paul’s Cathedral area. The existing 10-storey BT Centre is the former British Telecom's headquarters building with ca 47,905m2 of office floorspace. Planning.