Flat 3 16 Thayer Street London W1U 3JU
The use of the flat roof of the back addition as a roof terrace, installation of railings around the flat roof of the back addition, installation of decking on the flat roof of the back addition, replacement of a window in the rear mansard elevation with a door and lowering of a section of parapet wall all in connection with the use of the flat roof of the back addition.