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.

Redevelopment of Pegasus House and Nuffield House including demolition behind a retained facade (west, south and east) of Nuffield House and replacement building comprising 2 level basement, ground, mezzanine and first to seventh floor and demolition and replacement of Pegasus House comprising 2 level basement, ground, mezzanine and first to fifth floors and other associated works already approved under application RN 20/07676/LBC additional works include retention of angled wall at roof level of Pegasus House and remodelling of roof above stair well.

Amendments to planning permission dated 22 September 2021 (RN:20/07605/FULL) for Variation of condition 1 of planning permission dated 28 February 2020 (RN: 19/00529) for the: Redevelopment of Pegasus House and Nuffield House including demolition behind a retained facade (west, south and east) of Nuffield House and replacement building comprising 2 level basement, ground, mezzanine and first to seventh floor and demolition and replacement of Pegasus House comprising 2 level basement, ground, mezzanine and first to fifth floors; amalgamation of the two buildings to provide new office (Class B1), retail (Class A1), restaurant (Class A3), flexible office / retail (Class B1 / A1), and residential accommodation (Class C3); and other associated works. NAMELY, amendments to the design of the fire escape staircase at the rear of Pegasus House. Namely; retention of angled wall at roof level of Pegasus House and remodelling of roof above stair well.

Confirmation that the demolition of roof top plant and enclosures constitutes a material operation to lawfully implement planning permission dated 8 November 2019 (RN:19/02730/FULL) for: Use of part ground and upper floors as a 134-room hotel (Class C1); use of part lower ground as a leisure suite (Class D2); use of ground floor as restaurant/bar (Class A3/A4), external alterations, including demolition to include the removal of the rooftop plant enclosures and replacement with a single storey extension, remodelling of the Little Sanctuary elevation and introduction of balconies and lightwells.

Alterations including remodelling and reconstructing internal walls, replacement of external sliding doors, refitting existing window frames with slimline double glazing, and mounting an air source heat pump at roof level and a hot water cylinder on the terrace.

Variation of condition 1 of planning permission dated 27 October 2021 (20/05884/FULL) for 'Partial demolition and remodelling of the principal facades and fifth floor and addition of two storeys for office use and provision of retail, restaurant and gym uses at ground and basement levels. Formation of terraces on sixth and seventh floors for office use and associated plant and cycle parking'. NAMELY, to amend the drawings and create a new roof terrace on roof of 7th floor.

Variation of Conditions 7 and 9 of planning permission dated 28 September 2021 (RN: 21/02324/FULL) for the: Excavation of a new basement level, erection of a mansard roof extension, and two storey infill extension (rear ground and lower ground floor level) and remodelling of the ground and first floor extensions to the existing closet wing and single storey extension at rear third floor level; NAMELY, to allow the removal of existing tree and replacement with a new tree and submission of Phases 1-3 of the contaminated land remediation details.

External alterations including remodelling of fourth floor mansard, replacement of skylights at ground, new sliding access hatch skylight to roof, replacement timber doors at ground and at basement level and to the vaults, reinstatement of Portland stone to the entrance steps, external entrance and vault doors to ground and lower ground.

Internal and external alterations, including removal of modern fixtures and fittings and reinstatement of lost historic fabric, reconfiguration and replacement of modern circulation elements, some minor alterations to modernised plan form and replacement services. Remodelling of fourth floor mansard, replacement of modern skylights at ground. Removal of access ladder on the front of the mansard and railings on the party wall with 37. Continuation of internal staircase to provide maintenance access to the roof vis a new sliding access hatch skylight. Replacement timber doors to the house at ground and at basement level and to the vaults; reinstatement of Portland stone to the entrance steps, external entrance and vault doors to ground and lower ground. (Linked to 21/06872/FULL)

Amendments to planning permission dated 28th August 2020 (RN: 20/04156/FULL) for the remodelling of existing single storey extension at fifth floor level and associated alterations; namely, to raise top of roof of extension by 200mm.