Amendments to planning permision dated 21 July 2015 (RN 14/12434/FULL) for excavation below existing house and rear garden to create one level of basement accommodation with rooflights to the rear. Demolition of existing rear extension and erection of replacement rear extension over three storeys. Excavation to front of property at lower ground floor level to provide additional accommodation and mechanical plant within enclosure to rear garden. NAMELY,steps down into lightwell repositioned (returned to the existing position rather than being repositioned). Lightwell glazing reduced to comply with planning condition 4. Lower ground floor level reduced by two steps. Rear patio lowered in part to conform, with two steps up to the garden. Rooflight in new annex altered from rectangular to oval. Detailed design of fenestration in rebuilt annex amended - colour and material unchanged.

External alterations to mews house, including render, new doors, windows and rooflights and conversion of one internal garage bay into bedroom accommodation.

Amendments to planning permission dated 09 October 2017 (RN: 17/02446/FULL) and varied by the planning permission dated 1 March 2021 (RN:20/07606/FULL) Excavation of a basement beneath the footprint of the house and use of existing ground floor garage as living accommodation. Alterations to roof. NAMELY, to allow amendments to the size of the garage door windows.

Amendments to planning permission dated 24 February 2020 (RN: 19/00529/FULL) for 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, to amend the shopfronts and ground floor level entrances, rearrangement of reception spaces, Sackville historic façade review and alignment, UKPN ventilation and access update, lift overrun and Nuffield house roof massing, rear façade updates, roof plant enclosure and proposed chimney, sub-basement reduction and retained facade timber window replacement

Variation of condition 1 of listed building consent dated 5 March 2020 (RN 19/00530/LBC) 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 from RN 19/00530/LBC, NAMELY, to include the following changes: amend the design of the shopfronts and ground floor level entrances, rearrangement of reception spaces, alteration to lift overrun and Nuffield house roof massing and window replacement.