Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Variation of Conditions 1 and 13 of planning permission dated 06 January 2022 (20/05147/FULL) for part demolition of rooftop plant room and creation of a single storey roof extension at Brettenham House to provide B1 office floorspace; associated creation of terraces to the north and south part of the roofs; replacement and relocation of roof plant to basement level at Brettenham House; creation of a new office entrance to Savoy Street at basement level one of Brettenham House; refurbishment of ground floor shopfronts at Brettenham House on Lancaster Place facade; provision of cycle parking and associated facilities in the basement of Brettenham House; replacement of all the external windows and associated facade maintenance and cleaning and associated works at Brettenham House and 1 Lancaster Place NAMELY; alterations to the design of Savoy Street elevation, new accessible entrance to Savoy Street elevation, alterations to the cycle service and basement layout and UKPN substation access.

Variation of condition 1 and13 of planning permission dated 06 January 2022 (20/05147/FULL) for 'Part demolition of rooftop plant room and creation of a single storey roof extension at Brettenham House to provide B1 office floorspace; associated creation of terraces to the north and south part of the roofs; replacement and relocation of roof plant to basement level at Brettenham House; creation of a new office entrance to Savoy Street at basement level one of Brettenham House; refurbishment of ground floor shopfronts at Brettenham House on Lancaster Place facade; provision of cycle parking and associated facilities in the basement of Brettenham House; replacement of all the external windows and associated facade maintenance and cleaning and associated works at Brettenham House and 1 Lancaster Place'. Namely, to allow the following amendments: (1) the two double doors adjacent to the bays on Savoy Street to be relocated to allow for UKPN substation access and fire egress; (2) the louvre on Savoy Street will be replaced by a single fire escape door; (3) the double height roller shutter with wicket door will be replaced by a smaller double door and window on Savoy Street; (4) internal layout amendments at Basement 2 level including relocation of the disabled parking bays to Savoy Street, if the demand arises; and (5) relocation of the accessible entrance to the building.

Amendments to planning permission dated 30 March 2022 (21/07642/FULL) for the variation of Conditions 1, 20, 21, 23, 24 of planning permission dated 16th March 2021 (RN 20/04933/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; NAMELY, Street scape enhancements (Front elevation - Carlton House Terrace and Facade realignment); Amenity enhancements (Inclusion of glazed doors to external terraces (west elevation), external terraces and Level 10 Roof Access) and Detailed design and technical amendments (Widening of the central 'core strip' and Balustrade Position at level 10).

Variation of Condition 13 of planning permission dated 07 August 2020 (RN:19/07063/FULL) for, 'Use of the building (lower ground and ground of nos. 78 and 80 as a restaurant (Class A3), use of lower ground, ground and first floors of no. 82 as a public house (Class A4) and use of upper floors as office (Class B1), together with extension to the rear of the existing buildings and the installation of a lift, provision of a roof terrace, installation of plant equipment, facade treatments, installation of a lift overrun and associated works (site includes 78-82 Duke Street). (Part of land use package with 18 Balderton Street and 64-66 Duke Street)'; NAMELY, to allow take-away food/drink on the premises for a period of 24 months from 31 July 2021 to 31 July 2023. (Application under Section 73 of the Act).

Variation of Conditions 1 and 6 of planning permission dated 08 July 2020 (RN: 19/09027/FULL) for the Partial demolition at 142-150 Wardour Street including removal of existing mansard roof to Film House and part of the rear and side facades; replacement of mansard roof, erection of new sixth floor and new sheer frontage at the eastern end of the site for office use (Class B1); creation of restaurant units (Class A3) at part ground and part basement levels fronting St Anne's Court, Wardour Street and Sheraton Street; shopfront alterations; creation of a terrace at sixth floor level for office use; installation of a roof level plant enclosure and associated external works (Site includes 138 Wardour Street, 142-150 Wardour Street and 20 St Anne's Court); NAMELY, to allow alterations to north east elevation including render whole of north east facade, reinstatement of two windows and the enlargement of a window at lower ground floor, addition of a transfer structure at level 6, and an additional window; omission of vent structures to party wall line to allow for the adjustment to the position of the acoustic plant screen; infilling central lightwell at lower ground, ground and level 01 to extend the office space; changes to dormer windows along Sheraton Street and Wardour Street; creation of a lobby at the top of the St Anne's Court core to accommodate new stairs; retention of existing street level stucco facade to St Anne's Court; introduction of louvre panes in the north east facade; and correction to north east elevation to show the sides of the three Wardour Street dormers. [Application under Section 73 of the Act]

Variation of condition 1, condition 4 (parts a, d, e, g, h, I, j, k) and condition 5 (parts i, iv, v, vii, viii, x) and the removal of condition 4 (parts b, c, f), 5 (parts ii, iii, vi and ix) and 8 of listed building consent dated 3 December 2020 (RN: 20/03709/LBC), which itself varied Condition 1 of listed building consent dated 3 April 2018 (RN: 17/10530/LBC) for 'Alterations to the existing building including removal of existing roof top plant and extension to create an additional storey at fifth floor with tiled mansards and lead clad dormer windows to front and rear; a single storey extension at fourth floor comprising a glazed dome above the existing rear bow; installation of plant at roof level; partial infilling of lightwell adjacent to Gwydyr House; facade cleaning and other facade repair; internal alterations including reconfiguration, fabric removal, and refurbishment works on all floors; refurbishment of meetings rooms, entrance reception and offices; installation of new heating and cooling equipment; provision of a glazed research pod in the library; installation of light-boxes above the central stair and library, and other associated works'. Namely, to allow amendments to the approved scheme that include the installation of a proposed smoke extract system to mechanically ventilate new smoke lobbies to the secondary staircase; the removal of the lift access to the new fifth floor level and associated rooftop overrun; internal alterations at fourth and fifth floor levels; and alterations to ducting at roof level.

Variation of condition 1 of listed building consent dated 3 April 2018 (RN: 17/10530/LBC) for 'Alterations to the existing building including removal of existing roof top plant and extension to create an additional storey at fifth floor with tiled mansards and lead clad dormer windows to front and rear; a single storey extension at fourth floor comprising a glazed dome above the existing rear bow; installation of plant at roof level; partial infilling of lightwell adjacent to Gwydyr House; facade cleaning and other facade repair; internal alterations including reconfiguration, fabric removal, and refurbishment works on all floors; refurbishment of meetings rooms, entrance reception and offices; installation of new heating and cooling equipment; provision of a glazed research pod in the library; installation of light-boxes above the central stair and library, and other associated works'. Namely, to vary the approved drawing numbers to make amendments including a reduction in size of the glazed dome and automatic opening vent, increase in size of the plant area, omission of a rooflight bay and internal alterations.

Amendments to planning permission dated 19 March 2018 (17/09368/FULL) for Variation of Conditions 1, 13, 16, 7(a), 9, 38 & removal of Condition 40 of planning permission dated 10 July 2017 (16/09548/FULL) for; Alterations to the existing building including creation of new entrances; alterations to bottle balustrades & parapets; extensions to create three additional storeys; two additional basement storeys; partial demolition & reconstruction of the central wing; demolition, reconstruction & extensions to the Triangular Courtyard facades; external alterations to Quadrangle facades; creation of external terraces at fourth, fifth, sixth & seventh floor levels; addition of entrance canopies; alterations to security walls & bollards & the removal & replacement of street trees; all in connection with change of use from offices (Class B1) to a hotel (Class C1) comprising up to 125 hotel bedrooms/suites with flexible hotel/retail/restaurant/bar use at part ground floor (Class C1/A1/A3/A4), flexible hotel/restaurant use at part lower ground, part ground & part second floors (Class C1/A3); flexible hotel/bar use at part fifth & part sixth floors (Class C1/A4); flexible retail, leisure, restaurant or bar use at part ground floor (Class A1/D2/C1/A3/A4), leisure/spa facilities within the basement levels & part lower ground floor (Class D2/C1) ancillary ballroom, event space & meeting rooms, food & beverage facilities, back of house facilities & associated car & cycle parking & servicing facilities; creation of up to 88 residential dwellings (Class C3) with ancillary communal amenities, & associated car parking, cycle parking & servicing facilities; namely, amendments to the Quadrangle courtyard paving, amendments to internal layout of two residential units; installation of additional windows to fifth floor; installation of external grilles to the east and north elevations.

Variation of condition 1 of planning permission dated 25 August 2017 (RN: 17/03920/FULL) for the: Amalgamation of Nos. 35 and 35A to form a single dwellinghouse, with the erection of rear and basement extensions and alterations to the front elevation. NAMELY, to allow the reduction and repositioning of basement area in order to provide a better internal arrangement; omit roof light and lightwell at lower ground floor level; provision of external steps from home office to create access from ground floor to the rear garden and steel balustrade to the previously approved extension to parapet below; infill the side return extension at first floor level; and associated works.