Amendments to planning permission dated 29th July 2014 (RN 13/09737/FULL) for the demolition of Ergon House and construction of eight storey residential building incorporating a ground floor retail unit (Class A1) and partial demolition and reconstruction of rear wing of 9 Millbank and conversion to residential use to provide 161 residential flats. Conversion of the gatehouse on Dean Bradley Street to provide a single dwelling unit. Provision of basement car parking and landscaped courtyards. Namely, alterations to internal layout, provision of new window, changes to roof level terrace, balustrading and arrangement of planters, provision of new guarding and access gate at level 09, openable windows, internal works, alterations to roof screen, new smoke shaft to north east corner, new smoke extract at level 09 and new fixings for maintenance purposes.

Amendments to planning permission dated 08 August 2017 (RN: 16/12291/FULL) which in itself varied Condition 1 of planning permission dated 2 April 2015 (RN: 14/08070/FULL) for Demolition of existing Barracks buildings (except for the listed Riding School) and redevelopment for residential use (Class C3) to provide a total of 171 units including 59 affordable units . Use of the listed Riding School as private ancillary leisure facility with internal and external alterations. Provision of Class A1/A3 retail units and Class D1 at ground level at 1 - 7 Queen's Terrace, redevelopment behind the retained front facade and the erection of a mansard roof extension ,creation of landscaped areas and reconfigured vehicular and pedestrian access together with associated works including the provision of parking, circulation space, servicing and plant area and use of the listed Riding School as a private ancillary leisure facility, associated internal and external alterations, new side extension and the excavation of a lower ground floor beneath the Riding School. NAMELY, a reduction in basement extent, shifting the footprint of the LG02 basement level, reduction in size of LG01 basement level, amendments to the general arrangement plan for LG0 basement level; reduction at LG0 at the southern piling along Block 1 and 4a; introduction of a phased approach to demolition/construction; minor apartment layout changes; division of Block 6 boiler flue and facade changes to Block 9 .

Amendments to planning permission dated 21st May 2019 (RN: 19/00087/FULL) for, '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; NAMELY; provision of sedum roof, internal alterations to the layout of the residential flats, replacement of glass roof maintenance balustrade on Denman Street with metal balustrade; alterations to window dimensions, slate roof and ceramic cladding on Sherwood Street; alterations to the Shaftesbury Avenue roof mansard; minor modifications to roof grating, roof facet on Denman Street, alterations to the slate roof to allow for improved roof maintenance access; and addition of sprinkler inlet point on Denman Street.

Amendments to planning permission dated 29 July 2014 (RN: 13/09737) for Demolition of Ergon House and construction of eight storey residential building incorporating a ground floor retail unit (Class A1) and partial demolition and reconstruction of rear wing of 9 Millbank and conversion to residential use to provide 161 residential flats. Conversion of the gatehouse on Dean Bradley Street to provide a single dwelling unit. Provision of basement car parking and landscaped courtyards; Namely, the introduction of a winter garden at ninth floor; amending existing double glazed semi-circular windows to Crittall double glazed; the addition of decorative grilles in north core; additional lights; new double glazed Crittall doors to third floor Juliet balconies; minor amendments to layouts; removal of rooflght to south core and new balustrades to north core balustrades and sixth floor colonnade, alterations at roof level and other external changes.

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).