New gates and fob access to increase security at entrances and deter unauthorised access; Railings and fencing to provide a sufficient level of security, as present in other blocks; low level chicane railings to stagger and slow access into the estate to prevent people riding or cycling direction through.

Installation of anti-climb mesh fencing to rear and side boundary of rear garden.

Tree surgery to all trees as specified in each of the following areas: Pedestrian routes: Lift crowns to 2.5m from ground level and balance crowns where required. Vehicle access routes: Lift crowns to 4.5m and balance crowns where required. Animal exhibits with mesh enclosures/ perimeter fencing: Prune back to clear mesh/perimeter fencing by 2.0m, retaining character and habit of trees. Animal exhibits with electrical installations: Prune branches to clear electrical installations. Meshed-over animal exhibits: Carry out formative pruning to retain character and habit within the available space and to meet animal welfare requirements. Tree surgery to all trees of the following species: Fraxinus excelsior 'Pendula': Prune back to previous pruning points. Paulownia tomentosa: Re-coppice/re-pollard where required. All species: Remove basal and trunk epicormic growth to crown break.

Construction of a single storey extension at rear lower ground floor level and a single storey extension within the front lower ground floor lightwell area; installation of new air conditioning condenser unit at roof level; enlarged opening for French doors at rear ground floor level and replacement front door; replacement windows/glazing; and replacement terrace decking and fencing.

Construction of a single storey extension at rear lower ground floor level and a single storey extension within the front lower ground floor lightwell area; installation of new air conditioning condenser unit at roof level; enlarged opening for French doors at rear ground floor level and replacement front door; replacement windows/glazing; and replacement terrace decking and fencing; internal alterations.

Details of removal of proposed overcladding and in-kind repair or proposed overcladding to match existing material, removal of proposed uplighters, the outside edges of the larger door opening at ground floor rear retained in their existing positions/aligned with the outside edges of the window openings above and new door to the lower ground floor front elevation onto the lightwell showing a more traditional appearance / external windows, doors, rooflights and the fence/trellis pursuant to Conditions 5 and 6 of planning permission dated 14 April 2023 (RN: 23/00233/FULL).

Use of rear hardstanding/car parking space as garden; replacement of vehicle access gates with timber fence.

Maytenus boaria LZ00572: judicious pruning of south-east stem back to timber clad fence, by approx. 0.5-1.5m; Acer pseudoplatanus (Sycamore) (LZ08 West Service Gate): fell to ground; Quercus ilex LZ02910: Crown lift to 4m. Crown reduce all round by 2m. Maytenus boaria LZ03184: Reduce all round by 2m. Nothofagus antartica LZ03185: fell

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

External alterations to the existing building and landscaping to accommodate Tresham Centre for Disabled Children & Young People, includes new plant room with an acoustic enclosure on the roof, new fencing, changes to the cladding of the external escape staircase, full height screens at first floor level.