Part demolition of the existing building together with its repair, restoration and enhancement; alterations to the front elevation through the replacement of existing windows with timber framed sash windows together with the reinstatement of a stone sill and the reinstatement of the lead roof above the ground floor bays, and replacement of the existing door; alterations to the east (park facing) elevation, including the removal of a non-original section towards the middle of the building to create a lightwell and ground floor courtyard, and the boundary wall to the park will be maintained and made good where needed; replacement of the existing dormer windows to the east elevation at first floor level; alterations to the rear elevation with the installation of a new window and bi-folding doors at ground level giving access to the garden; alterations to the mansard roof at first floor level which will be squared off to balance the appearance across this elevation with new timber framed windows also being installed; and alterations to the west elevation (facing no.263), with the replacement of the two existing roof windows with one additional window also formed.

Amalgamation of 2no dwellinghouses into a single family dwellinghouse; erection of rear extensions at third floor level, on top of the existing back additions; demolition of existing single storey rear extensions and erection of a replacement single storey rear extension including the formation of an enlarged roof terrace above the roof of ground floor rear back addition; excavation of the front garden to form lightwells in connection with the enlargement of the existing basements; replacement of existing dormer windows with new dormer windows comprising of windows and French doors with Juliet balconies in the rear roofslope; installation of 2no rooflights in the front roofslope to no. 6 Dewhurst Road; replacement of existing windows with new windows and replacement of the existing single door with double doors at first floor level to the rear elevation; removal of rear fencing and front wall between no. 6 and 8 Dewhurst Road and installation of replacement refuse and cycle stores; erection of new front boundary wall with railings on top and a pedestrian access gate to no. 8 Dewhurst Road; associated landscaping in the front and rear gardens.

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.

Alterations to second floor level to include, replacement of existing roof pavilion with a new mansard roof including installation of 1no. CCTV camera mounted to the new mansard roof to the front and 1no. CCTV camera mounted beneath the eaves to the rear, re-rendering, replacement of the existing timber French doors including glazed transom lights above with 2no. new dormer windows to the front, replacement of existing timber casement windows with a new dormer window to the rear, replacement of existing balustrade with new brick parapet to the front and rear; repairs to existing steel and clinker concrete structure including partial replacement of second floor slab with suspended timber floor; reinstatement of timber sash window to the rear elevation at first floor level; installation of new cast iron railings and a new vehicle gate along the front boundary mounted on new York Stone plinths, re-mounting the existing front gates on new York Stone Plinths, to the front elevation, replacement of existing glazed timber door with a new glazed timber door to the rear elevation at ground floor level; associated alterations and repairs.

Alterations to second floor level to include, replacement of existing roof pavilion with a new mansard roof including installation of 1no. CCTV camera mounted to the new mansard roof to the front and 1no. CCTV camera mounted beneath the eaves to the rear, re-rendering, replacement of the existing timber French doors including glazed transom lights above with 2no. new dormer windows to the front, replacement of existing timber casement windows with a new dormer window to the rear, replacement of existing balustrade with new brick parapet to the front and rear; repairs to existing steel and clinker concrete structure including partial replacement of second floor slab with suspended timber floor; reinstatement of timber sash window to the rear elevation at first floor level; installation of new cast iron railings and a new vehicle gate along the front boundary mounted on new York Stone plinths, re-mounting the existing front gates on new York Stone Plinths, to the front elevation, replacement of existing glazed timber door with a new glazed timber door to the rear elevation at ground floor level; internal alterations to include, installation of a new bathroom with an extract flue to replace existing, removal of existing wardrobes from S04 at second floor level, installation of a new kitchen to replace existing, installation of a new bathroom with an extract flue to replace existing, installation of a new 4 panelled timber door to match existing in the doorway between F03 and F04, removal of carpet to F02, removal of textured wallpaper to F02 at first floor level; reinstatement of missing decorative mouldings, removal of gold paint to grates, cheeks and side slips of existing fireplaces, replace existing WC and basin at ground floor level, installation of a new kitchen and a new bathroom with extract flues to replace existing, re-tiling, and re-carpeting at lower ground floor level, replacement of all radiators; associated alterations and repairs.

Non-material amendment to planning permission reference: 2021/01808/FUL dated 8th April 2022 for the "Erection of 3no. dormer windows to replace existing rooflights to the front roofslope; erection of a rear extension at second floor level over part of the existing back addition; installation of French doors with Juliette balconies to the rear elevation at first and second floor levels; replacement and reconstruction of side elevation to match existing; erection of a single storey rear extension to side and rear of rebuilt back addition; excavation of part of the front and rear gardens to form lightwells, in connection with the enlargement of the existing basement extension; erection of an external staircase from proposed basement to the rear garden; erection of a new boundary wall with railings on top; erection of a bin store in the front garden; installation of photovoltaic panels on upper level flat roofs; and replacement of existing windows to match appearance of existing sash windows." Amendment sought is the omission of glazing to rear lightwell side wall at basement level.

Erection of a two storey extension at ground and first floor level to the side of the main building and associated enlargement of the existing main roof; excavation of the front and rear garden to form lightwells in connection with the enlargement of the existing basement; replacement of existing dormer window with an enlarged dormer window in the rear roofslope; installation of 2no rooflights in the front and side roofslopes, and 2no rooflights above the main flat roof at roof level; replacement of existing windows with new windows and bay windows at ground and first floor level to the front elevation; installation of new windows and replacement of 1no window with French doors and a Juliet balcony at first floor level to the rear elevation; demolition of the ground floor back addition and boiler cupboard in connection with the creation of new door openings to ground floor building and new windows to the garage at the rear elevation; alterations to the roof involving an increase in the height and installation of 2no skylights above the roof of single storey garage; increasing the size and re-location of the garage doors at the side elevation; re-positioning of the access ramp to be aligned with the new garage doors raising the existing parapet and existing flat roof to form a dining room under part of the existing garage; re-rendering of the front facade and rendering of the boundary wall; removal of the existing water tank to the flat part of the existing main roof; removal of the existing solar panels to the side roofslope; removal of chimney stack and chimney pot to the rear roofslope'

Non-material amendment to planning permission reference: 2021/00237/FUL dated 6th April 2021 for the "Erection of a rear extension on top of existing back addition at second floor level, including a Juliet balcony; erection of a single storey rear extension, to the side of the existing back addition at ground floor level; replacement of existing windows to the rear of the existing roof extension with 1no. dormer window; excavation to the side elevation to form 2no. lightwells with metal grilles including an installation of a rooflight, in connection with the enlargement of basement; replacement of 2no. rooflights with 3no. rooflights on front roof slope; replacement of a rooflight with a new rooflight on rear roof slope; replacement of a window with French doors, including an opaque glass balustrade Juliette balcony on the rear elevation at first floor level; replacement of a window with sliding doors on rear elevation at ground floor level; and removal of a side access gate facing Fabian Road at ground floor level, to be replaced by extending the existing front boundary wall." Amendments sought are change in material of rear windows (size of openings will remain the same), change in material of rear doors (ground floor doors to be 2.5m in height), parapet party wall with neighbour No.3 capped in lead, other parapet walls capped in aluminium, and render front gable to match neighbour No.3.

Erection of a rear dormer roof extension; erection of a single storey timber clad outbuilding in the rear garden; alterations to the existing ground floor back addition to include, installation of 2no. rooflights on top of the flat roof, enlargement of door opening and installation of bi-folding doors to the rear elevation following the removal of existing door and window; erection of new fence to replace existing, to the side and rear boundary walls of the rear garden; re-levelling of the rear garden floor with patio finish and associated landscaping.

Erection of 3no. dormer windows to replace existing rooflights to the front roofslope; erection of a rear extension at second floor level over part of the existing back addition; installation of French doors with Juliette balconies to the rear elevation at first and second floor levels; replacement and reconstruction of side elevation to match existing; erection of a single storey rear extension to side and rear of rebuilt back addition; excavation of part of the front and rear gardens to form lightwells, in connection with the enlargement of the existing basement extension; erection of an external staircase from proposed basement to the rear garden; erection of a new boundary wall with railings on top; erection of a bin store in the front garden; installation of photovoltaic panels on upper level flat roofs; and replacement of existing windows to match appearance of existing sash windows.