273, 287 Regent Street Westminster W1B 2HA
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)
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Progress
Application details
- Reference
- 26/05749/LBC
- Local authority
- Westminster
- Postcode
- W1B 2HA
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 21 Aug 2026
- Validated
- 21 Aug 2026
- Comments close
- 27 Sept 2026
- Target decision
- 16 Oct 2026
Estimated project value
£5k–£16k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: FMB 2026 double glazing guide, 3-bed semi full replacement.
Floor area gained: 961m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.
- FLAT 22, 22 PARK CRESCENT, LONDON, W1B 1PDFlat or maisonette · Leasehold · £757,5003 months ago18 May 2026
- 26 KINGLY STREET, LONDON, W1B 5QDOther · Leasehold · Not a standard market sale · £300,0004 months ago1 May 2026
- FLAT 7, 7 PORTLAND PLACE, LONDON, W1B 1PWOther · Leasehold · Not a standard market sale · £5,000,0009 months ago1 Dec 2025
- UNIT G15 KINGLY COURT, LONDON, W1B 5PWOther · Leasehold · Not a standard market sale · £104,50011 months ago30 Sept 2025
- FLAT 2, 88 PORTLAND PLACE, LONDON, W1B 1NXFlat or maisonette · Leasehold · £1,015,00013 months ago7 Aug 2025
- FLAT A, 82 PORTLAND PLACE, LONDON, W1B 1NSFlat or maisonette · Leasehold · Not a standard market sale · £4,600,00015 months ago6 Jun 2025
- FLAT 11, 22 PARK CRESCENT, LONDON, W1B 1PDFlat or maisonette · Leasehold · £1,000,00017 months ago24 Mar 2025
- FLAT 44, 88 PORTLAND PLACE, LONDON, W1B 1NXFlat or maisonette · Leasehold · £275,00017 months ago17 Mar 2025
Homes here go for about £878,750 — the median of the last 4 market sales in W1B (the wider postcode district), £275,000 to £1,015,000.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Nearby applications
- 273, 287 Regent Street Westminster W1B 2HAPendingNext door
- 277, 279 Regent Street Westminster W1B 2HQPermittedNext door
- 277, 279 Regent Street Westminster W1B 2HQPermittedNext door
- 37, 38 Margaret Street Westminster W1G 0JFPermittedNext door
- WestminsterPermittedNext door
- 37, 38 Margaret Street Westminster W1G 0JFPermittedNext door