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 of planning permission dated 30 May 2022 (RN:22/02156/FULL) for the Variation of condition 1 of planning permission dated 26 May 2021 (RN: 21/01109/FULL) (which varied conditions 1, 6 and 13 and removed conditions 8 and 18 of planning permission dated 11 September 2019 (RN 19/03450/FULL)) for 'Refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof. Namely amendment to layout at floor 8 to extend it and consequential amendment at roof level.

Demolition of existing lift motor room and chimney stack at main roof level. Erection of an extension at fifth floor level to facilitate the installation of a replacement and extended lift and erection of an extension within rear lightwell at basement and ground floor level to provide additional office accommodation (Class E). Installation of plant within an enclosure at main roof level. Installation of a single window in place of two windows at rear ground floor level. Infill of roof light at main roof level. Removal of rear fire escape stairs.

Refurbishment and alterations to existing building, including an extension on north elevation at ground floor, containing additional office floorspace, internal reconfiguration of the basement communal areas, replacement of office windows, replacement and repositioning of existing office entrance canopy, creation of level access through localised amendments to the pavement and the addition of plant, louvres screens and PV panels on roof.

Erection single storey extension within rear lightwell at basement level to provide additional office accommodation (Class E) with courtyard above. Alterations at rear fourth floor to create a terrace. Infill of rear windows at basement level and roof light at main roof level. Replacement of existing doors/windows from ground to fifth floor level (roof enclosure) and removal of rear fire escape stairs.

Variation of Condition 1 of planning permission dated 5th November 2021 (RN: 20/07701/FULL) for, 'Demolition of the existing fourth floor roof structures and erection of two storey roof extension to create new fourth and fifth floor level (including plant and roof terraces); all to enlarge office building (Class E). Alterations to front (western facade), installation of new windows throughout and associated alterations'; Namely, to make the following amendments to the approved development - internalisation of stair and associated adjustments to roof layout. (Application under Section 73 of the Act).

Variation of condition 1 of planning permission dated 19 April 2021 (RN: 20/04541/FULL) for the: Erection of an extension at the rear of 18-22 Wigmore Street at first to fourth floor levels and alterations to the rear roof form to allow conversion of the attic space to provide additional residential floorspace for the existing flats (Class C3), including the infilling of an internal lightwell adjacent to 16 Wigmore Street and the installation of a new lift. Alterations at basement and ground floor level including the infilling of a rear lightwell at basement and ground floor levels. Installation of plant within an associated enclosure at rear first floor level with a green roof over and screened plant on a flat roof at fourth floor level to the rear of 22 Wigmore Street. Alterations to the front of the building including new windows, shopfronts and metal railings at ground floor level. All in connection with the dual / alternative use of the basement, ground and first floors as either office (B1) / retail (A1) or a sui generis use comprising piano showroom, office space, new recital room, piano practice rooms and workshop space and use of the second to new fifth floors as 8 residential units comprising 3 x 1 bed; 4 x 2 bed and 1 x 3 bed. (SITE INCLUDES 18, 20 AND 22 WIGMORE STREET). NAMELY, to allow removal of central core and floors and associated replacement to improve sustainability, acoustic and fire safety performance; modifications to ancillary uses within basement, including provision of ancillary kitchen and restaurant area serving guests of Bechstein Hall; kitchen extract and ductwork to be localised; introduction of entrance gates to main front entrance; minor amendments to plant at the rear; and provision of open pergola walkway on the roof at the rear.

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.

Internal alterations and external alterations including part use of the basement for cycle storage and facilities, refurbishment of the existing windows and the introduction of slimline double-glazed units into the existing frames; partial window replacement on rear elevation; extension to rear mansard roofslope; replacement of roof level plant and installation of plant screen; infill of redundant lightwells to all office floors; façade refurbishment works; and improvements at basement level to provide end of trip facilities including showers and bike storage. (SIte includes 169 Piccadilly).