Application for variation of condition 2 (Approved Plans) of Listed Building Consent ref: 22/02501/LB for amendments to approved application ref. 21/01143/LB, and in association with an application for a non-material amendment (22/02518/NMC) following a grant of planning permission ref: 21/01142/FUL (Refurbishment, partial demolition and extension of the existing building to provide additional office space (Use Class E(i)) and retail (Use Class E (a) or (b)) at ground floor level alongside associated cycle parking and public realm enhancements.), granted on 23.12.2021. Amendments proposed: External metal finish: Change from anodised aluminium to powder coated aluminium; Terrace upstand: Replacing concrete upstand to glazing on terrace levels with powder coated aluminium; Handrails: Raise terrace metal handrails by 50mm to allow for construction tolerance and safe guarding; Eastern pedestrian route landscaping: Additional staircase from Queen's Walk; Main entrance door: Reduction in height and configuration; Terrace Doors: Replacing sliding terrace doors with swing doors; and Reinstatement of existing staircases: Existing external staircase from Queen's Walk to retail unit to be retained.

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'.

Non-material amendment pursuant to 16/AP/4018 [Redevelopment of the site to provide four buildings to deliver 168 residential dwellings (Class C3) and flexible retail floor space (247m2) of flexible A1/A3/A4; The works include the conversion and extension of Sumner House (Block A) from office use (Class B1-c to provide 44 no flats and 4 no townhouses and partial demolition of boundary wall; the erection of a part 4, part 6 storey block to provide 39 no flats on Sumner Avenue (Block B); part 4(Block B); a part four, part 6 storey building to provide 72 no flats on Jocelyn Street (Block C); and a four storey block providing 9 flats on Melon Road (Block D), with 247m2 of flexible A1/A3/A4 use at ground floor level together with car parking, hard and soft landscaping, and other associated works incidental to the development] for the construction of a fire safety maintainance enclosure.

Details of Condition 5 'Enabling Works Construction Logistics Plan' attached to planning permision 22/AP/1347, which itself is an amendment of planning permission 20/AP/1537, for: "Development of site, involving part demolition, alterations and extensions to the existing building and basement, including the change of use from Class D1 to Class B1, to provide a seven-storey building with rooftop pavilions comprising: office floorspace (Class B1); retail spaces (Class A1); a cafe (Class A3); a restaurant (B1/A3); a bar (Class A4/B1); leisure uses including a publicly accessible roof terrace (Class D2); other external amenity spaces and landscaping; a new entrance on Loman Street and route through the building; plant, and; other associated works".

Details of Condition 4 'Final Enabling Works Construction Environmental Management Plan' attached to planning permision 22/AP/1347, which itself is an amendment of planning permission 20/AP/1537, for: "Development of site, involving part demolition, alterations and extensions to the existing building and basement, including the change of use from Class D1 to Class B1, to provide a seven-storey building with rooftop pavilions comprising: office floorspace (Class B1); retail spaces (Class A1); a cafe (Class A3); a restaurant (B1/A3); a bar (Class A4/B1); leisure uses including a publicly accessible roof terrace (Class D2); other external amenity spaces and landscaping; a new entrance on Loman Street and route through the building; plant, and; other associated works".

Variation of Conditions 31 and 32 of planning permission dated 30 March 2022 (21/07642/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, to amend the wording of Conditions 31 and 32 to require the landscaping of the first floor terrace to be carried out in accordance with the submitted details.

Amendments to 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 1 for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); basement level 2 for 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 namely to amend the wording of Condition 3 to allow the demolition phase to be split into phases.

Amendments to planning permission dated 16th March 2021 (RN: 20/04933/FULL) for 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 1 for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); namely, to amend wording of condition 32 to allow removal of existing planting and trees at first floor level in advance of approval of a new/replacement hard and soft landscaping scheme for the first floor.