Demolition of the existing garage, rear conservatory and part of main building; erection of extension to rear at lower ground floor level with terrace at ground floor level, four storey side extension and two dormers to rear; Alterations to fenestration; installation of Air Source Heat Pumps (ASHP) in front lightwell; and associated external alterations.

Variation of Condition 1 of planning permission dated 12 December 2022 (RN: 22/03987/FULL) for conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place]; namely, to extend the width of the flat roof at Unit 2 to the parapet edge, aligning the roof line.

Erection of two single storey extensions to rear of property; Removal of tree from rear side boundary; Conversion of existing adjoining garage space to habitable accommodation and replacement of garage doors with new window; Lowering of window sill to existing window in front facade and installation of new window; modifications to driveway. Erection of bin and cycle storage to front garden; soft and hard landscaping to front and rear; and associated external alterations.

Amendments to planning permission dated 21 June 2023 (RN: 23/02625/FULL) for 'Erection of a mansard roof extension to existing house and alterations to front and rear elevations'. Namley, to remove, refurbish and reuse the existing window at ground floor level (WG2.1); to preserve and restore the existing garage doors (DG5.1); to re-use and refurbish the existing hopper and install a new downpipe; replacement of two rooflights with one smaller rooflight at roof level; and internal alterations.

Amendments to planning permission dated 12 December 2022 (RN: 22/03987/FULL) for conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place]; namely, to omit the internal amenity space and rooflight over.

Amendments to planning permission dated 12th December 2022 (RN:22/03987/FULL) for the conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place] namely; to extend the width of the flat roof to the edge of the building.

Excavation of new basement storey below footprint of existing dwelling extension partially below the garden to the rear and driveway to the front together with new lightwells on the front and rear elevations, erection of side extension and alterations to the garage.

Variation of Condition 1 of planning permission dated 11th February 2020 (RN:19/07252/FULL) for: Alterations in connection with the reversion of the building to use as a single family dwelling, including removal of and rebuilding rear stable block, extension to main house and formation of basement and sub-basement levels; removal of garage building and erection of a replacement garage/ sub-station building; raising mansard roof trusses; and associated internal alterations, landscaping and associated works NAMELY, to allow new external security cameras. (linked to 22/08560/LBC)

Replacement of two storey glazed extension and erection of single storey closet wing extension to rear; Installation of plant machinery within enclosure and formation of roof light at main roof level; Replacement of rear steps; Installation of rooflights, refurbishment of windows and replacement of garage door to mews; and associated external alterations. Internal alterations, including changes to plan form. (Linked with 22/07160/FULL)

Replacement of two storey glazed extension and erection of single storey closet wing extension to rear; Installation of plant machinery within enclosure and formation of roof light at main roof level; Replacement of rear steps; Installation of rooflights, refurbishment of windows and replacement of garage door to mews; associated internal and external alterations. (Linked with 22/07161/LBC)