Demolition of the single storey back addition and rear outbuildings attached to the rear of the main building; erection of side and rear extensions at lower ground, upper ground and first floor level, erection of a rear roof extension to replace the existing dormer window, excavation beneath the main building in connection with the creation of a new basement and the formation of a roof terrace at upper ground floor level to the main building; change of use of the main building from office (Class E) into 2 x two bedroom self-contained flats; erection of a part one storey plus-basement single family dwellinghouse in the rear garden; erection of a new boundary wall with three new entrances to the side elevation; associated landscaping and external alterations.

Proposed conversion of existing dwellinghouse into two self contained flats, replacement of rear extension doors with two sets of french doors and new window, proposed first floor terrace with glass balustrade, replacement of first floor rear window with french doors to terrace and hip to gable end roof extension with dormer window and two front rooflights,front garden landscaping and addition of cycle stores to front and rear gardens.

Non-material amendment to planning permission ref: 2014/03920/FUL granted 27th August 2015 for the 'Demolition of 1 & 2 Rowley Cottages; demolition of rear of 6 Avonmore Road; erection of 5 mews houses (two storey over basement); refurbishment and reconfiguration of Leigh Court (including installation of dormer windows and balconies in the rear) and 6 Avonmore Road to provide 15 flats with associated cycle parking, refuse storage and landscaping.' Amendments to include re-location of the bin storage for occupiers of the mews block to a communal storage area, revisions to basement and ground floor of mews units 1-3.