Roxburghe House 273 - 287 Regent Street London W1B 2HA
Listed building or heritage consent
What is being proposed?
Refurbishment and extension of Roxburghe House and (unlisted) 39 and 40 Margaret Street, including new stair and lift core extension, UKPN substation and creation of localised openings in party walls to link the buildings; replacement of windows; internal and external improvements to upgrade the existing building fabric and introduction of core extension and plant enclosures at roof level of the buildings; facade cleaning; and associated ancillary works. At Roxburghe House: creation of rooftop terrace and pavilion; alterations to entrances; and lowering of some roof level windows. At Margaret Street (unlisted): replacement of ground floor slab, upward extension of the building and chimneys to provide an additional floor, plus creation of a roof terrace and pavilion at level 05; a new office entrance with glazed frontage, extension behind rear façade; and associated ancillary works. (Linked with 26/05748/FULL)
Description from the source record.- Application type
- Listed building or heritage consent
- Status in this record
- Awaiting decision
No decision is recorded in this copy. Check the council register to confirm the current stage and whether comments are still open.
The application so far
- Application date
21 August 2026
- Decision date
No decision date supplied
Validation dates, consultation deadlines and target decision dates are shown on the council register where published.
Where is the proposal?
Use the council’s site plan to confirm the application boundary.
View this address on a map →Documents, comments & decisions
Open the official application to look for submitted plans, supporting documents, consultation details and the decision notice. Availability varies by application.
Open official council record ↗Source: PlanIt / local planning authorities. The council register is the formal source for the latest position.