Amendments to planning permission dated 21 May 2019 (RN: 19/00087/FULL) for variation of Conditions 1 and 31 of planning permission dated 10 December 2018 (RN: 18/02900) for the Demolition of existing buildings and demolition behind retained facades of 19 and 20 Denman Street facades; realignment of 4-6 Glasshouse Street, 1 Sherwood Street, 8 Glasshouse Street and 11-17 Shaftesbury Avenue facades and retention of Piccadilly Lights (adverts). Construction of a replacement six storey building (plus 6th floor mezzanine office) with three basement levels to create a mixed use scheme comprising office (Class B1) at part ground to 6th storey mezzanine; retail (Classes A1 retail and A3 restaurant) at part basement 1, part ground and part first floor; up to seven residential units (Class C3) at part first floor, part second floor and part third floor; and plant and cycle storage within the basement. Associated works including mechanical plant within roof enclosure and loading facilities to allow use of 6th floor mezzanine (Level 7) as restaurant (Class A3), roof realignment at Level 7 and new plant enclosure at Level 8, flexible use of approved retailing (Class A1) for retail and restaurant purposes (Classes A1 and A3), removal of chimneys on 1-17 Shaftesbury Avenue facade, minor adaptations to accommodate the Piccadilly Lights planning permission and advertisement, and adaptation to accommodate LBC consent (17/07490/LBC); namely, to revise the energy strategy and to enable development behind reconstructed facades to 19 & 20 Denman Street; NAMELY, alterations to roof treatment of No.19 Denman Street to introduce plant machinery for emergency fire purposes.

Amendments to planning permission dated 07 April 2017 (RN:16/06616/FULL) for the: Construction of residential building on the site of Ergon House of nine storeys above ground to provide up to 108 residential units, provision of ground floor level retail unit (Class A1) and associated basement works, Deed of Variation to the S106 legal agreement for planning permission 13/09737/FULL in order to apply relevant provisions to this current application. (9 Millbank and The Gatehouse, Dean Bradley Street and demolition of Ergon House to be implemented under planning permission reference 13/09737/FULL). Namely, to allow alterations to mansard and roof level maintenance access, revised rooftop plant, services and elevation changes for servicing and the addition of Condition 32 to read: "The stair handrails to the approved roof access metalwork stairs must be collapsed when the stairs are not in use for maintenance purposes. Reason: To make sure that the appearance of the building is suitable and that it contributes to the character and appearance of this part of the Smith Square Conservation Area. This is as set out in Policies 38, 39 and 40 of the City Plan 2019 - 2040 (April 2021)."

Amendments to planning permission dated 7 April 2017 (RN: 16/06616/FULL) for construction of residential building on the site of Ergon House of nine storeys above ground to provide up to 108 residential units, provision of ground floor level retail unit (Class A1) and associated basement works, Deed of Variation to the S106 legal agreement for planning permission 13/09737/FULL in order to apply relevant provisions to this current application. (9 Millbank and The Gatehouse, Dean Bradley Street and demolition of Ergon House to be implemented under planning permission reference 13/09737/FULL), NAMELY, alterations to the elevations and floor plans.

Variation of Conditions 1 and 6 of planning permission dated 30 November 2016 (RN: 16/04562) for demolition and reconstruction behind a retained front facade of 41, 43, 57, 59 and 63 Pimlico Road including the realignment of the rear elevation, the installation of new roof structures to match the existing, and the creation of external terraces; demolition of 61 Pimlico Road (the element directly fronting onto Pimlico Road) and construction of infill accommodation at ground, first, second and third floors; replacement of shopfronts to 41, 43, 57, 59 and 63 Pimlico Road; retention and sub-division of the builders' yard at 61 Pimlico Road (behind the frontage to Pimlico Road), installation of a partial mezzanine floor and creation of lateral connections at ground floor level to 41, 43, 57 and 59 Pimlico Road; replacement of the builders' yard glazed roof lantern; creation of roof level plant enclosure above part of the builders' yard; creation of four Class A1 retail units at basement, ground and mezzanine level, with seven Class C3 residential dwellings at the first, second and third floor levels (with ground floor access); sub-surface excavation including lowering of ground floor slabs and the creation of additional basement accommodation; together with other external alterations; Namely, to create a new publicly accessible retail arcade and associated amendments to internal retail layouts and elevational works on Pimlico Road, enlargement of the basement, amendments to the roof to provide additional glazing and acoustic louvres, internal residential layout amendments, amendments to the wording of condition 6 to allow ancillary Class A1 food and beverage provision, and associated works.

Amendments to planning permission dated 21 October 2019 (RN: 18/04163) for: Variation of Conditions 1, 8,and original condition 24 and removal of Condition 10 of planning permission dated 23 February 2018 (RN: 16/11248) for Demolition of existing buildings on site and redevelopment to provide up to 30 residential units (Class C3), office floorspace (Class B1), gymnasium (Class D2), retail art gallery (Class A1), restaurant (Class A3) and retail (Class A1) floorspace; creation of a new pedestrian link through the site between Yarmouth Place and Carrington Street; erection of buildings either side of the new pedestrian link between 4 and 8 storeys in height excavation to create additional basement accommodation provision of on site car parking, cycle parking and delivery bay on Yarmouth Place new landscaping including improvement works to Yarmouth Place associated alterations; NAMELY to amend the approved drawings to changes to the party wall with 100 Piccadilly and increase the number of car parking spaces by (additional 44 spaces) within the development, and to change the wording of Condition 8 to allow the demolition and construction phases of the COCP to be submitted separately, and to allow the demolition clauses to be included in the S106 agreement. Further alterations received to reduce the size of the basement levels at 01-04; reduction in the size of the art gallery and gym; parking entrance reconfigured; Yarmouth Place elevation amended. Namely, various reconfigurations of cores, residential layouts, car lifts and flats, the realignment of the boundary walls and replacement of Condition 38 (waste storage).