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 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.

Non-material amendment to planning permission ref: 2017/00362/FUL granted 4th October 2019 for the 'Demolition of existing single storey building fronting Chiswick Mall used for live/work purposes as artists' accommodation and studios and replacement with a new part one/part two storey building with the same use; replacement roof, erection of side dormer and alterations to windows and doors of the existing building fronting the River Thames for continued use for live/work purposes as artists' accommodation and studios; demolition of coal store in courtyard and landscaping of this area; widening and replacement of gates to street frontage; removal of vehicular crossover.' Amendments to include reduction in area of rooflights and alterations to window and door positions on side and river elevation.

Erection of enlarged dormer windows to replace the existing dormer windows in the rear roofslopes, demolition of existing conservatories and erection of replacement single storey rear extensions at lower ground floor level to the rear elevation, partial demolition and re-building of the lower ground floor side extensions, and erection of two storey rear extensions at upper ground and first floor level to the side of the main buildings of nos. 5 and 6 Caithness Road; installation of French doors to replace the existing window and the erection of 1100mm high glass screens around the roof of back addition at upper ground floor level to the rear elevation in connection with its use as a terrace to no. 6 Caithness Road.

Non-material amendment to planning permission reference: 2021/03921/FUL dated 7th February 2022 for the "Erection of 2no. dormer windows to match existing to the front roofslope; erection of a replacement rear dormer roof extension including the installation of French doors and a Juliette balcony; erection of a rear extension at second floor level, over part of the existing back addition; erection of metal railings around the remainder of the flat roof of the existing back addition at second floor level, in connection with its use as a roof terrace; erection of a single storey rear extension, to the side of the existing back addition, following demolition of the existing single storey rear extension; excavation of the front garden and part of the rear garden to form lightwells, in connection with the creation of a new basement; installation of an external staircase from within the proposed front lightwell up into the front garden; installation of an external staircase from within the proposed rear lightwell up into the rear garden; and replacement of all windows and doors." Amendment sought are alteration of infill between 2no. front dormers.

Erection of a new mansard roof extension comprising of 2no. dormer windows, at second floor level on top of the existing back addition, following partial demolition of the pitched roof of existing second floor back addition.

Erection of a front roof extension; erection of rear extensions at ground and first floor level following the demolition of existing conservatory; excavation of the front and rear garden to form a rear lightwell, in connection with the enlargement of the existing basement; replacement of existing dormer windows with new dormer windows in the rear roofslope; replacement of existing rooflights with new flat rooflights at main roof level.

Variation of condition 2 of planning permission ref: 2018/04130/FUL granted 20th February 2019 for the 'Minor material amendments to planning permission reference: 2018/01773/FUL dated 1st October 2018 for the Excavation of front garden and part of rear garden to form lightwells, in connection with the enlargement of the basement; erection of a single storey rear extension, to the side and rear of the existing back addition, following the demolition of existing ground floor extension; enlargement of the existing rear dormer set on the main rear roof slope; bricking up 2 x existing side windows on first floor level; installation of a rooflight in the front roofslope. Amendments sought to include alterations to glazing on rear extension; a setback of 200mm on side wall of rear extension; insertion of air bricks to allow for trickle ventilation; amendments to front driveway to widen access; and replacement of existing windows.' Amendments to include the installation of 2no air conditioning units to the side of the main building.