15 St Helena House, Margery Street, London, WC1X 0HU

Non-material amendment to planning permission ref. 2025/1684/P (granted as a variation of conditions 2 (approved drawings) and 20 (fire statement) of planning permission ref. 2022/1817/P dated 10/05/2023 for the erection of roof extensions at third, fourth and fifth floor level with rooftop plant in connection with the continued commercial use of the building (Class E) with associated external alterations to all elevations, public realm improvements; roof terraces at levels three, four and five, provision of cycle parking, waste/recycling storage and other services), namely to: amend the location of the affordable workspace from the first floor to the ground floor.

Section 19 variation of condition 2 (approved plans) of listed building consent 2025/0363/L dated 20/10/2025 for the change of use from office (Class E) to residential (Class C3) to form a single dwellinghouse, the installation of secondary glazing to the front elevation and associated alterations including replacement door at lower ground floor level to rear elevation, internal alterations including reinstallation of the historic staircase connecting the lower and ground floors; installation of internal doors and reconfiguration of internal layouts at ground and lower ground floor levels, installation of new partition walls for a new bathroom at ground and first floor levels and installation of new doors at lower to second floors. Namely, alterations to the internal layout at all floor levels, including the installation of new staircase at lower-ground floor level and the replacement of the existing lift car.

Proposed window replacement. Removal of existing first floor rear extension. Extension and changes to the existing ground floor rear extension. New kitchen, bathroom and ensuite. Addition of internal insulated wall lining, solar roof panels, ASHP & battery [Full planning application reference P2026/2857/FUL also submitted].