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.

De-conversion of the existing building comprising of 3no self-contained flats into a single family dwellinghouse; erection of rear extensions at ground and first floor level following partial demolition of the ground floor back addition and the single storey shed at the side of the building; creation of a new porch entrance to flank elevation, associated alterations to the flank boundary wall including installation of wrought iron metal gate and bricking up of the existing gate entrance: erection of bin store, installation of new windows to replace the existing windows and new rooflights in main roof slope fronting Hartswood Road elevation

Deconversion of the existing 2no. self-contained flats into a single family dwellinghouse; erection of a front and rear roof extension, involving an increase in the ridge height to match no. 3 Gowan Avenue; erection of a part one part two storey rear extension at first and second floor level; erection of a single storey rear extension, to the side and rear of the existing back addition; repositioning and replacement of existing window with a new enlarged timber obscure glazed window, to the rear elevation at first floor level; alterations to the rear elevation of first floor back addition to include, formation of a new door opening, installation of new timber French doors and a Juliette balcony; alterations to the front boundary wall to include, erection of brick piers, metal railings and new entrance gate; excavation of part of the front and part of rear garden to form lightwells, in connection with the enlargement of the existing basement, including erection of external staircase from basement floor level to rear garden.

Deconversion of the existing property from 2no. self-contained flats into a single family dwellinghouse; erection of a rear roof extension, involving an increase in the ridge height by 250mm; erection of a rear extension at third floor level, over part of the existing back addition; erection of a single storey rear extension to the side and rear of the existing back addition, following the demolition of existing side and rear extensions; erection of a single storey infill extension, to the side of the existing back addition; installation of 2no. rooflights in the front roofslope; alterations to the front lightwell to include, lowering window cill height, replacement of existing front bay windows with new enlarged front bay windows; formation of an internal courtyard to include, replacement of existing timber framed Juliette balcony with new metal framed Juliette balcony including installation of a glass balustrade, to the rear elevation at ground floor level; lowering part of the rear ground floor level to form a patio; formation of new external steps from the patio to the rear garden; relocation of the existing side access gate to the rear of side boundary wall in the rear garden.

Removal of conditions 10, 11 and 12 of planning permission ref: 2017/03503/FUL granted 3rd November 2017 for the 'Conversion of a single family dwelling house into 1 x 3 bedroom self-contained flat, 1 x 2 bedroom self-contained flat and 1 x 1 bedroom self-contained flat; erection of a rear roof extension; erection of a single storey extension to the side of the main building and to the side and rear of the existing back addition; alterations to the rear elevation to include the installation of new windows, Juliet balconies and bi-folding doors; installation of new railings to the front boundary wall, and installation of a refuse and bike store in the front garden area' to allow the occupiers of Flats 2 and 3 to apply for street parking permits.

Erection of a rear roof extension; erection of a rear extension at second floor level, over part of the existing back addition; erection of a single storey rear extension, to the side of the existing back addition; demolition of two storey lean-to storage room, to the rear elevation at ground and first floor level; installation of 1no. rooflight on top of the existing back addition at first floor level; installation of double glazed doors and a Juliet balcony to replace existing window, installation of a new painted timber sash window to replace existing window, to the rear elevation at first floor level; installation of glazed doors and windows to replace existing window, to the rear elevation at ground floor level; installation of 3no. windows following the removal of 2no. existing windows, to the side elevation at first floor level; installation of 2no. rooflights in the front roofslope; replacement of all existing windows with new painted timber sash windows, to the front elevation at ground and first floor level; installation of a new main front entrance panelled door to replace existing; alterations to the front boundary wall to include, rebuilding of the wall with the installation of metal railings on top; conversion of the existing building from 2no. self-contained flats into a single dwellinghouse.

Non-material amendment to planning permission ref: 2013/01865/FR3 granted 8th August 2013 for the 'Redevelopment comprising erection of a four storey building providing 8 flats (2 x 1 bed, 6 x 2 bed) together with two, 2 storey 3 bedroom dwelling houses; with associated parking, landscaping, and alterations to the existing footpath and vehicle access, following demolition of four garages.' Amendments to include: Splaying of corners of boundary fences to either side of main entrance to flats to Porten Road side of building.