Demolition of existing first floor rear back addition and erection of a replacement full width rear extension at first floor level, on top of the existing back addition; erection of a single storey rear extension at lower ground floor level; excavation under the footprint of the whole building and underneath the rear garden to form a sub-basement level; alterations to the main roof to include the installation of a new rooflight and loft decking in connection with the formation of a roof terrace; alterations to the roof of first floor rear back addition to include increasing the height and installation of solar panels; installation of French doors to replace the existing window at ground floor level to the rear elevation; installation of new windows at ground and first floor level to the side elevation; erection of an external staircase from sub-basement to garden level at the rear of the property (access to the rear garage); demolition of the existing garage in the rear garden and erection of a replacement part one, part two storey plus-basement annexe building to provide habitable accommodation ancillary to the main dwellinghouse; installation of a new door to side boundary wall fronting Astrop Terrace elevation.

Variation of Condition 2 (Approved Drawings) and Condition 14 (Demolition and Enabling Works) to provide minor material amendments to Listed Building consent reference: 2020/01842/LBC dated 20th October 2020 for the "Internal and external alterations to the Grade II Listed Town Hall. Repair and restoration of rooms of heritage significance including interventions within the Assembly Hall. Internal alterations to include new platform lifts, doorways and room layouts and general reconfiguration of ground to fourth floor. Alterations at roof level, to include lowering of the courtyard parapet to accommodate new accommodation at roof level and within a roof extension. Introduction of new lift to roof level, fire-fighting lifts and bridge walkways. Repair and refurbishment of the external stone and brickwork facades. The removal of the external access platforms and stairways and reordering of ground floor entrance to enable restoration of North Elevation, and the replacement of selected single-glazed steel windows with double-glazed steel windows". Amendments sought for the removal of northern wall within the Small Hall.

Variation of Condition 2 (Approved Drawings) and Condition 14 (Demolition and Enabling Works) to provide minor material amendments to Listed Building consent reference: 2020/01842/LBC dated 20th October 2020 for the "Internal and external alterations to the Grade II Listed Town Hall. Repair and restoration of rooms of heritage significance including interventions within the Assembly Hall. Internal alterations to include new platform lifts, doorways and room layouts and general reconfiguration of ground to fourth floor. Alterations at roof level, to include lowering of the courtyard parapet to accommodate new accommodation at roof level and within a roof extension. Introduction of new lift to roof level, fire-fighting lifts and bridge walkways. Repair and refurbishment of the external stone and brickwork facades. The removal of the external access platforms and stairways and reordering of ground floor entrance to enable restoration of North Elevation, and the replacement of selected single-glazed steel windows with double-glazed steel windows". Amendments sought to the chamber interior, to lower the cills of the three central windows on the northern elevation of the chamber.

Erection of rear extensions at ground and first floor level following the removal of external staircase from the rear of the property; erection of a dormer window to replace the existing window to front hip to gable feature elevation; demolition of the front steps and alterations to the front elevation to include new windows at ground floor level to replace the existing door, installation of new doorset to replace the existing garage doors and conversion of the existing garage into habitable accommodation; installation of a new side entrance door at the front of the property; installation of 3no rooflights to replace 2no rooflights in the side roofslopes and installation of 1no rooflight above the roof of first floor roof; replacement of existing windows with new double glazed windows and erection of new railings to replace the existing to front balcony at first floor level; installation of new windows to replace the existing windows to the side and rear elevation at first floor level; infilling of 2no windows and installation of a new door to replace the existing window at the side elevation (south side), replacement of existing doors and window with new doors at ground floor level to the rear elevation; infilling of 1no window at first floor level, installation of a new double glazed window and a timber door to replace the existing window at ground floor level to the side elevation (north side); installation of an entrance canopy at the front elevation.

Non-material amendment to planning permission ref: 2020/03397/FUL granted 20th July 2022 for the 'Demolition of existing rooftop plant rooms and existing roof, and erection of a single storey roof extension to provide additional office accommodation (Class E) with ancillary roof terrace and replacement plant room; installation of new entrance from Avonmore Road at ground floor level; ancillary alterations to the existing office building (including replacing louvres with new matching windows); and provision of disabled persons parking, ev points and cycle facilities.' Amendments to vary the wording of condition 29 to change the type of active rapid electric vehicle charging points from 55kw to 22KW.

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.

Demolition of existing rooftop plant rooms and existing roof, and erection of a single storey roof extension to provide additional office accommodation (Class E) with ancillary roof terrace and replacement plant room; installation of new entrance from Avonmore Road at ground floor level; ancillary alterations to the existing office building (including replacing louvres with new matching windows); and provision of disabled persons parking, ev points and cycle facilities.

Demolition and re-building of the side boundary and garage walls including the conversion of the existing garage into habitable accommodation to provide one bedroom with en-suite bathroom, demolition and re-building of the existing single storey back addition and amalgamation of the garage into the rear part of the single storey back addition; relocation of the loft access hatch at roof level; installation of a new window at first floor level to the side elevation; replacement of existing window with new doors and double glazed side lights to the rear elevation at ground floor level; installation of new door openings to the existing garage wall fronting the garden area; installation of access gate to the side boundary wall; alterations to the roof of single storey back addition and garage to include the installation of new rooflights; raising of the ground floor parapet wall by 250cm; internal alterations at first floor level to include: installation of a new door to the bedroom, internal alterations at ground floor level to include: installation of internal glazing to windows at the front elevation, alterations to the kitchen area and removal of the false chimney breast in the living room area; associated internal and external alterations.

Demolition and re-building of the side boundary and garage walls including the conversion of the existing garage into habitable accommodation to provide one bedroom with en-suite bathroom, demolition and re-building of the existing single storey back addition and amalgamation of the garage into the rear part of the single storey back addition; installation of a new laminated window at first floor level to the side elevation; replacement of existing window with new doors and laminated glazed side lights to the rear elevation at ground floor level; installation of new double glazed sliding door openings to the existing garage wall fronting the garden area; installation of access gate to the side boundary wall; installation of secondary glazing along the existing single glazed shopfront windows to the front elevation; alterations to the roof of single storey back addition and garage to include the installation of new rooflights; raising of the ground floor parapet wall by 250cm; associated external alterations.