Erection of a rear roof extension, involving an increase in the ridge height by 380mm, raising the height of the side flank wall (adjoining no. 56) by 258mm, and including installation of 3no. rooflights in the front roofslope, in connection with its use as a self-contained maisonette flat at second and third floor level; partial demolition of the existing ground and first floor rear back addition, and erection of a new part one part two storey rear extension, involving raising the height of the side flank wall (adjoining no. 52) by 285mm and the eave height by 535mm; re-sizing and replacement of 1no. existing window, to the rear elevation at second floor level.

54 Frithville Gardens, London, W12 7JN