Roxburghe House 273 - 287 Regent Street London W1B 2HA
Full planning application
What is being proposed?
Refurbishment and extension of Roxburghe House and 39 and 40 Margaret Street, including new stair and lift core extension, UKPN substation and the introduction of a rooftop terrace, pavilion and plant enclosure to each building; replacement of windows, shopfronts and new office entrance from Margaret Street and associated ancillary works; and associated works with the use of the buildings as Class E(g) at part basement, part ground floor and upper floors and Class E(a)(b)(c) at part ground and part basement levels. (Linked with 26/05749/LBC)
Description from the source record.- Application type
- Full planning application
- 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.