Partial demolition of building and erection of new extensions at ground and first floor levels, alterations to roof, basement excavation, alterations to windows and doors, new boundary wall treatment facing Elm Tree Road, repositioning of pedestrian gate and hard and soft landscaping works.

Two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment.

Variation of condition 1 of planning permission dated 07 July 2021 (RN: 20/05817/FULL) which itself varied conditions 1, 32, 38 and 39 of planning permission dated 19 March 2020 (RN: 18/04665/FULL) which itself varied Condition 1 of planning permission dated 9 March 2018 (RN: 17/03980) for: Demolition and rebuilding of 42 Half Moon Street, 11 White Horse Street and 12 Shepherd Market; demolition and rebuilding of 10 White Horse Street behind retained front facade and erection of a five storey extension on vacant site at 12 White Horse Street. Alterations to all other buildings including demolition works, extensions and excavations to provide additional basement levels, removal of courtyard tree and installation of new plant. Use of the buildings as an hotel with public entertainment and health facilities (Class C1) and seven residential dwellings (Class C3).(Site includes 10 and 11 White Horse Street and 12 Shepherd Market); NAMELY, to allow extension of L13 lift to provide equal access to L5 No. 90-93 Piccadilly and 42 Half Moon Street; extension of rear elevation No 90-93 Piccadilly to improve internal circulation; new railings to all lower windows on the White Horse Street facade; extension of gym to lower ground floor in lieu of function space; layout changes to residential units at Levels 2 and 3 No 90-93 Piccadilly and White Horse Street; new design and levels correction to front courtyard; new terrace to rear 42 Half Moon Street replacing flat roof; replacement of circular rooflight to 94 Piccadilly with rectangular rooflight and minor changes to internal layouts.

Variation of condition 1 of planning permission dated 17th December 2021 (RN:21/03988/FULL) which in itself varies condition 1 of planning permission dated 01 February 2021 (RN: 20/06029/FULL) for the: Demolition of existing conservatory, erection of single storey rear extension, replacement of roof structure, extension and alterations to rear closet wing including incorporation of lift, replacement windows, alterations to the front boundary and front forecourt including extension and alterations to front vaults, excavation of new basement level including alterations to landscaping, plant enclosure and garden and bike stores to rear garden, and associated alterations, to allow the removal of trees and planting of replacement trees, shrubs and hedges edging the rear garden. NAMELY, the addition of metal railings on the front boundary walls to the front garden, and the replacement of the gate to the front boundary wall

Detailed sample of the natural slate to be used to face the new mansard roof extension, new bike and bin stores, new windows/openings in front lightwell, alterations to dormer, tree protection and replacement tree in the rear garden to replace T1 pursuant to conditions 4, 9, 10, 11, 14 and 16 of planning permission dated 1st October 2021 (RN:21/03552).

Variation of condition 1 of planning permission dated 01 February 2021 (RN: 20/06029/FULL) for the: Demolition of existing conservatory, erection of single storey rear extension, replacement of roof structure, extension and alterations to rear closet wing including incorporation of lift, replacement windows, alterations to the front boundary and front forecourt including extension and alterations to front vaults, excavation of new basement level including alterations to landscaping, plant enclosure and garden and bike stores to rear garden, and associated alterations. NAMELY, to allow the removal of trees and planting of replacement trees, shrubs and hedges edging the rear garden.

Excavation to create a basement beneath the house and front and rear gardens with associated lightwells and alterations to fenestration at lower ground floor level, bin store with sedum roof, planters and soft landscaping to front and rear gardens including replacement tree planting (Part Retrospective).

Variation of Condition 1 of planning permission dated 11 December 2020 (RN: 20/03275/FULL) which varied the original planning permission dated 9 July 2019 ( RN: 19/00868/FULL) and the NMA dated 5 March 2020( RN:20/01060/NMA) for: Use of the building as an elderly care facility specialising in dementia (Use Class C2), creation of balcony on the rear elevation at first floor level, alterations to the fenestration to match the new internal floor levels, the installation of ramp from the ground floor to the garden. Alterations to roof including insertion of kitchen extract. Installation of a new refuse store, plant enclosure, and bicycle store in the rear garden, new hard and soft landscaping to the garden and all other associated works. Insertion of louvres on front elevation at basement level to serve plant equipment. NAMELY re-location of garden entrance for use as visitor access, removal of terrace at rear of building, re-location of cycle and bin store, and new ramped access through the garden, changes to the garden layout and changes to the wording of tree Conditions 14 and 15 to compliance conditions.

Removal of Condition 11 of planning permission dated 3 February 2021 (RN 20/06649/FULL) for: Alterations to the courtyard eaves to create a roof access gallery; installation of new stone window recesses on the northern elevation; alteration of north western corner stepped plinth; and temporary crane gantry screw piling located in Commissioners Yard namely, to remove the need to submit a Tree Protection Method Statement as tree protection measures have been provided and approved in the approved Aboriculture Statement Rev C02 dated January 2021 (20/06649/FULL).

Variation of condition 1 of planning permission (RN: 19/04422/FULL) for the Ground plus 14 storey extension along Bressenden Place to provide Class B1 (office) accommodation and Class A1 (retail) accommodation at ground floor. Use of Level 28 and new pavilion extension at main roof level for restaurant and bar (sui generis) use. The installation of two external lifts on the northern elevation of the building. Works to the existing building façade, including the replacement of the treatment of the top of the building, the replacement of the existing windows and the cleaning of the existing façade and associated works. The reconfiguration of the existing ground and first floor to provide Class A3 (restaurant) accommodation, the provision of a flexible Class A1/A3 (retail/restaurant) unit at ground floor, the use of the basement for Class A3, Class B1 (office), flexible Class A1/A3/D2 (retail/restaurant/gym). Removal of part of the existing canopy, works to the public realm, the provision of cycle parking spaces and associated works. NAMELY, to vary the approved drawing numbers to alter the crown of the building, create an external roof terrace, removal of the approved external lift, alterations to the existing canopy, works proposed to the east facade and amendments to the external ventilation tower.