Erection of a single storey extension to rear of existing house and the formation of a room in the roof space involving the installation of a side dormer window.

Change of use from offices (B1(a)) to residential (C3) to provide 200 residential units within the buildings of Blackhorse Tower, Holbrook House And Churchwood House, 116 Cockfosters Road and land within its curtilage for associated use together with 100 parking spaces. All habitable rooms will be furnished with large windows on the external facade to ensure the provision of adequate natural light.