Confirmation that the demolition of the pergola structure and supporting adjoining stonework chimneys at Level 10 on the West Wing of 55 Broadway constitute a material operation which has lawfully implemented planning permission dated 23 December 2020 (19/09813/FULL) for: Conversion of buildings for use as hotel (Class C1) with ancillary flexible retail, leisure/spa, restaurant or bar use and other associated facilities; use of 10th floor roof terraces; internal and external alterations including creation of new service bay off St Ermin's Hill, reconfiguration of entrances/exits to St James's Park Underground Station and rooftop plant.

Amendments to planning permission dated 05 March 2021 (RN: 20/08219/FULL) for 'Infill extensions at rear ground floor level, alterations to rear fenestration and new roof to rear extension, conversion of one former coal cellar in basement to habitable accommodation, internal alterations to rear extension, basement floors and associated works'. Namely, to alter design and material of rear patio doors.

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]

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 22/03481/LBC) [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.

Amendments to planning permission dated 29 March 2022 (RN: 21/08501/FULL) for alterations to provide inclusive access to the building, comprising installation of a platform lift to the main entrance. Creation of a terrace at roof level (to rear of building) and level access to the terrace. Alterations to the rear and mews facade; and alterations at lower ground floor associated with the conversion of the car park to office floorspace. NAMELY, to create two inverted dormer openings within the existing first floor mansard roof to the rear of the building to house louvred vents.

Loft conversion, new conservation rooflights, alterations to the existing roof ridge, use of rear terrace at first floor level and replacement of existing sash windows with double glazed sash windows.

Creation of a roof terrace at third floor level with installation of associated alterations to parapet and railing, and conversion of window into a door.

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 existing below pavement vaults to provide additional office floorspace and alterations at roof level including installation of new mechanical plant (site includes 36 and 38 Grosvenor Gardens).