Flat E, 43–45 Langton Street, London, SW10 0JL

Erection of an obscured glazed balustrade around the flat roof of the existing three storey back addition at second floor level, in connection with the creation of a roof terrace; installation of a door to replace existing window to the rear elevation at second floor level, to provide access to the proposed roof terrace; removal of existing timber staircase to the rear elevation from first floor down to ground floor level; blocking up of existing door to the rear elevation at first floor level, with bricks to match existing; installation of French doors to the rear elevation at ground floor level as well as the formation of a bridge structure over the existing lower ground floor lightwell to provide access to rear garden; replacement of all existing windows with double glazed uPVC windows; and alterations to the garden to provide independent amenity space for both the ground and lower ground floor flats.

Non-material amendment to planning permission reference: 2025/01090/FUL dated 27th November 2025 for the "Erection of mansard roof extensions; demolition of existing rear back additions; erection of rear extensions at ground, first, and second floor; demolition of existing garage and erection of new single-storey residential dwelling to rear; alterations to the existing front elevation; reconfiguration of existing commercial floorspace (Class E) at ground and basement; reconfiguration and conversion of existing residential accommodation to provide 3 x 3 bedroom flats at first, second, and new third floor level; together with associated alterations, landscaping, and formation of refuse and cycle stores." Amendment sought for minor alterations to the internal layout of the approved third-floor residential accommodation, comprising of reconfiguration of the internal arrangement to relocate the bedroom to the front of the building and the bathroom to the rear.

Erection of an additional storey at second floor level, to provide additional residential accommodation to the first floor self-contained flat.