Conversion of existing single-family dwelling into 4 dwellings (1x 1 bedroom flat at basement, 1x 2 bedroom flat at lower-ground floor, 1x 1 bedroom flat at ground floor level, and 1 x 4 bedroom maisonette at first to fourth floor), including new bathrooms and kitchens, and an extension at rear lower-ground and ground floor level including roof terrace at first floor level, erection of an extension at roof level and installation of new windows and doors to the rear elevation.

Replacement of roof level air conditioning units with new modern system using air source heat pumps, new pipework and new internal fan coil units; replacement of non-original windows with new timber sash windows to a traditional pattern; new cycle storage area in vaults; removal of existing skylights to facilitate conversion of rear flat roofs to garden spaces for outdoor meetings; structural repairs and redecorations; comprehensive refurbishment of services; and interior alterations. (Linked with 22/04078/FULL)

Alterations to Grade II listed building including rear extension, replacement rear windows, new terrace balustrade and new staircase to the rear, minor internal modifications, levelling up of existing forecourt; conversion of garage to utility/ guest room with associated alterations including the replacement of the existing roof with flat roof behind existing parapet; handrail to entrance steps at the front; and alterations to provide power to existing gates (Linked with 22/03480/FULL) [REVISED DESCRIPTION]

Replacement of windows at second floor level, new window at lower ground floor level, replacement of French doors to the rear façade, replacement glazing to existing windows and the replacement of the roof covering. Internal alterations include conversion of vaults to form a habitable space, replacement of the flat roof, alterations to the plan form, new doors, stair balustrade and replacement chimneypieces.

External and internal alterations including conversion of existing below pavement vaults to provide additional office floorspace, alterations to the lift core, and alterations and installation of mechanical plant at roof level (site includes 36 and 38 Grosvenor Gardens).

Installation of two new rooflights to rear roof slope, in association with loft conversion; erection of a rear side infill extension at ground floor level; modification of the existing window to a double door on the rear wall of the existing rear extension; installation of window to side wall of rear extension; installation of conservation roof light to roof of lean-to and installation of roof light to roof of rear extension; and installation of door to rear wall of extension; internal alterations. (Linked with 22/06936/FULL)

Conversion of existing attic space to create additional habitable room; re-location of existing attic hatch; and installation of new, openable flat rooflight within existing mansard roof.

Creation of loft conversion, including new stair, two rear conservation roof lights, rear ground floor infill extension and new rear and side windows and internal alterations. Reinstatement of front railings. (Linked with 22/03041/FULL)

Installation of two new rooflights to rear roof slope and internal alterations including lower of first floor ceiling and installation of staircase in association with loft conversion. (Linked with 22/02572/FULL)

Loft conversion, alterations to roof, installation of 'conservation' rooflights and internal alterations to Flat C (Linked with 22/00294/FULL)