Removal of the existing modern conservatory and reinstatement of rear courtyard including addition of a comfort cooling with external fan units at rear and front lower ground floor level, internal works including alterations to upper ground floor comprising addition of a free standing bath, replacement of existing fittings, refurbishment/repair of existing marble panelling, existing fabric wall coverings to be removed and walls redecorated. Lower ground floor comprising, conversion of the ground floor rear bedroom to dining room, by the removal of the existing dressing room; reconfiguration of the existing ensuite including removal of shower, to allow access from the hall and incorporate a utility room following removal of the under-stairs hall cloakroom to open up hallway. The addition of a new fire lobby to connect the hall and kitchen, to allow change of the front room to a 2nd bedroom, with ensuite and dressing area. Existing fabric wall coverings to be removed and walls redecorated.

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.

Internal alterations at Level 0, Level -1 and Level -2 comprising, new reception desk to Level 0 lobby, replacement of digital displays within No. 8 John Adam Street; addition of free standing bar to lounge within No. 2, Level 0; relocate service counter and renew furnishings to Coffee House within No. 6, Level -1. New reception desk to events reception within No. 8, Level -2 (Durham House Street); new illuminated internal sign in arch to events reception within No. 8, Level -2 (Durham House Street) and conversion of admin office within No. 18 Adam Street, Level 2 to form multi use business space, including installing two pairs of sliding doors to existing opening.

Lowering of floor level within vaults and conversion to habitable accommodation. Alterations to windows and doors. Erection of extension of rear infill to courtyard. Associated internal alterations. (Linked with 22/08369/FULL)

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).

Conversion of the garage to provide additional accommodation. The demolition of the existing rear extension and the erection of new rear extension at lower ground and ground floor levels with the creation of an associated terrace and lowering of part lower ground floor level and rear garden. Alterations to front and rear elevations. Comprehensive internal alterations. The formation of lightwells to the front. The erection of an outbuilding to the rear garden. Landscaping to the front and rear gardens. (Linked with 22/08205/FULL)

Conversion of lower ground floor and garage area into a 2-bed residential flat and associated alterations; replacement of garage door to window; internal alterations. (Linked with 22/03513/FULL)

Alterations in connection with conversion of an existing room at Basement 1 Level to create archive facility comprising of a reading room, office and environmentally controlled store.