Amendments to the planning permission dated 29 September 2020 (RN: 20/03884/FULL) for the variation of condition 1 (approved plans) and removal of condition 9 (coffee bar use restriction) of the planning permission dated 13 December 2019 (19/06852/FULL) which granted a temporary change of use from Office (Class B1) to a sales and marketing suite (Sui Generis) for a period of 5 years with associated internal and external alterations, including: replacement rear extension with terrace above, erection of roof level plant screen, replacement entrance on St Petersburgh Place, insertion of door on Moscow Road, awnings to St Petersburgh Place frontage, erection pergola and fence at rear as well as erection of bicycle and bin store to side. NAMELY, to retain some of the temporary features to the main entrance on St Petersburgh Place , the gates, limestone cladding and three awnings on the St Petersburgh Place frontage.

Demolition of existing double garage block and rear conservatory and erection of two storey side extension, single storey rear extension. Removal of part existing roofs and proposed replacement part roof and alterations to windows at the rear (variation of condition 2 (approved drawings) of planning permission DA/21/01241/FUL in respect of amendments to raise the height of the rear extension, remove a window from rear at first floor, and implement a front screening fence, solar panels to rear and heat pumps to roof of rear extension and side elevation including alterations from a window to door in the rear extension (part retrospective)

Variation of Condition 1(approved plans) pursuant to planning permission no. 19/AP/7174 'Roof extension and alterations to create a studio flat in the roofspace, cycle storage, refuse storage and installation of fence to the rear' The variation seeks to reduce provision of cycle and bin store to 6no. cycle storage spaces, 7no 55L blue boxes for recycling and 2no 360L refuse wheeled bins.

S19 variation of condition 2 (Approved plans) of listed building consent S/1138/19/LB (Single storey side extension replacing lean-to two storey bay windows to side conservation roof lights to serve stair and en suite side extension to existing garage alterations to garden and parking layout and 1.8 metre boundary fence).

S73 variation of condition 2 (Approved plans) of planning permission S/1137/19/FL (Single storey side extension replacing lean-to two storey bay windows to side conservation roof lights to serve stair and en suite side extension to existing garage alterations to garden and parking layout and 1.8 metre boundary fence).

Amendments to planning permission dated 18th February 2021 (RN:20/06601/FULL) for Variation of condition 1 of planning permission dated 21.5.20 (RN:19/07406/FULL), which itself varied condition 1 and 9 of planning permission dated 20.11.18 (RN: 18/03520/FULL) which itself varied condition 1 of planning permission dated 12 September 2017 (RN: 16/06423/FULL) for, 'Alterations to the existing building including retention & repair of the front and side facades, part demolition & replacement of the rear facade, rear extension of the 2nd-5th floors, removal of existing & introduction of a new 6th floor, introduction of a new set-back 7th floor, extension of the existing basement levels to include two additional basement levels (including one mezzanine level), installation of roof plant & plant screen, public realm works including hard & soft landscaping, removal of the security kiosks, fencing, bollards & gates/barriers to Blackburne's Mews & Culross Street, removal & replacement of 6 No. trees in front of the Grosvenor Square elevation & re-opening of the road on the western side of the Square, all in connection with the use of the building as a hotel (Class C1) with flexible retail/restaurant use at 1st floor, ground floor and basement 1 (Class A1/Class A3/Class C1), flexible restaurant/bar use at 7th floor (Class A3/Class A4/Class C1), leisure/spa facilities within the basement (Class D2/Class C1) & an ancillary ballroom, event spaces, back of house facilities & associated car, cycle parking & servicing facilities accessed from Blackburne's Mews, & other associated works' - NAMELY, to amend Condition 17 to remove reference to the seventh-floor level [requiring public access] and an additional condition to read as follows: The area at seventh floor level designated as a restaurant/bar (Flexible Class A3/A4/C1) must remain open to members of the general public (whether or not they are guests at the hotel or visitors of hotel guests) on not less than 200 days per year

Variation (under Section 73A) of Condition 2 (Schedule of Materials); Condition 3 (Details of Windows and Doors) and Condition 9 (Approved Plans) to substitute those plans approved under 20/02872/FULL for the proposed external alterations to the existing building including a roof extension to the rear, replacement windows, alterations to rooflights, extension to wall with proposed slatted timber fences and alterations to existing front planter to create private gardens in association with the change of use of the building into 8 No.flats with amended plans.

Variation of condition 2 (Approved Drawings) to allow minor material amendments to planning permission ref: 2021/04138/FUL granted 31st May 2022, as amended by 2023/00129/NMAT, for the 'Change of use of part of ground floor and basement from retail (Class E) into 1no. self-contained flat (Class C3); erection of rear extensions at third floor (pod) and first floor levels in connection with the conversion of first, second and third floor level into 2no. self-contained flats; installation of 3no rooflights in the front roofslope and 1no rooflight above the main flat roof at roof level; replacement of existing windows with new windows to the side and rear of first and second floor back additions; replacement of existing dormer window with a new dormer window in the rear roofslope; alterations and increasing the roof of second floor rear back addition; formation of a replacement roof terrace at first floor level to the rear elevation; demolition of part of ground floor and basement floor level including the installation of new window openings and formation of a central courtyard at ground floor level, installation of glazed doors and a window at basement level; alterations to the roof of ground floor rear back addition to include the installation of 3no rooflights; installation of screening fence at ground floor level to the rear elevation.' Amendments to include internal alterations to Unit 1 at basement and ground floor level to change from 1 x 1 bedroom flat to 1 x 2 bedroom flat; alterations to the design of 1no rooflight above the roof of ground floor back addition, replacement of 1no window to the rear elevation and sliding doors to the rear side back addition of basement floor with new bi-folding doors.

Variation of condition 2 (approved plans) relating to application Reference: 20/00134/FUL - revisions include: extension to car park, alterations to main entrance, internal changes, alteration and extension to changing rooms, kitchen extension, terrace above main entrance, dormer window and juliette balcony, new plant room with roof top screen fence, alteration to pool including rebuilding of former garage with glazed walls and pool extending into front garden with screen wall, main flat roof to the rear extension lowered and removal of roof terrace and lift.

Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved Plans) of Planning Permission ref: 21/03750/FUL (Demolition of existing house and erection of three storey dwellinghouse (including accommodation in roofspace) and erection of new boundary fencing to left hand side and installation of new entrance gate) dated 26/01/2022. Variation to consist of the following changes by removing single storey room at rear, amendments to roof form of two storey front extension and alterations to the pitch of the main roof slope, including increasing the width of the rear dormer window and scale of the front dormer windows, alteration to window scale and detailing, adding obscure glazed windows to the side elevations, and materials to front and rear elevations; replacing the front side boundary on the right hand side; and addition of solar panels, and air-conditioning units relocated at high level towards the rear of the house.