Erection of rear extensions at lower ground, ground and first floor levels; erection of railings on part of top of the proposed lower ground floor rear extension and replacement of trellises on side boundaries with close boarded fencing, in connection with the formation a roof terrace; installation of new French doors following the removal of existing window, to the rear elevation at ground floor level, to provide access to the proposed roof terrace; erection of a new enlarged dormer window following the removal of existing in the rear roofslope; lowering the lower ground floor level; demolition of existing external staircase and steps and formation of new steps with metal railings and handrails in the rear garden; associated landscaping of the rear garden.

Replacement of existing dormer window with an enlarged dormer window in the rear roofslope following the demolition of existing roof extension; installation of 3no rooflights in the front roofslope; demolition of existing chimney stack at roof level.

Erection of a rear extension at first floor level on top of the proposed ground floor rear extension, and the formation of a roof terrace above to the rear elevation at second floor level; erection of a single storey rear extension, to the side and rear of existing ground floor back addition; erection of a single storey rear extension at lower ground floor level, following the demolition of existing conservatory; alterations to the rear elevation at second floor level to include, removal of existing dormer windows, erection of a new dormer window, and a new dormer single door to provide access to the proposed roof terrace; landscaping of the rear garden.

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.

Erection of an enlarged rear dormer roof extension, following the demolition of existing; erection of railings on top of the existing first floor back addition, in connection with its use as a roof terrace; installation of 2no. rooflights in the front roofslope.

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.

Variation of condition 2 of planning permission ref: 2022/03436/FUL granted 1st March 2023 for the 'Erection of a hip to gable roof extension including an enlarged dormer window in the rear roofslope following the removal of existing side and rear dormer windows; erection of a single storey rear and side extension following the demolition of the existing outbuilding; installation of 2no rooflights in the front roofslope; replacement of the existing windows with new windows to the side elevation at ground floor level' to allow amendments to the approved drawings to include: alterations to the windows and increasing the size of the rear dormer window in the rear roofslope, alterations to the rooflights in the front roofslope, and alterations to the size of 1no window at first floor level to the side elevation.

Erection of a rear extension at first floor level, on top of the existing two storey back addition; erection of a single storey rear extension to the side of existing back addition, following the demolition of external wc at lower ground floor level; erection of 2no. new dormer windows following the removal of an existing enlarged dormer window in the front roofslope; alterations to the rear elevation of rear roof extension to include erection of 1no. dormer window, and 1no. dormer window with a balustrade following the removal of 4no. existing windows.

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.

Erection of a front dormer roof extension with 3no dormer windows; erection of a rear extension at second floor level over part of the existing back addition following the demolition of the existing chimney stack above the roof of first floor rear back addition; installation of 1no rooflight above the main flat roof at roof level.