50 Berkeley Street Westminster W1J 8HA
Amendments to planning permission dated 01 December 2021 (RN: 20/06093/FULL) for: Erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E) namely, to allow swapping the male & female shower & change areas; reducing the number of female showers from 11 to 8 - and total showers from 27 to 24; layout changes to location of lockers.
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Progress
Application details
- Reference
- 26/04542/NMA
- Local authority
- Westminster
- Postcode
- W1J 8HA
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 8 Jul 2026
- Validated
- 8 Jul 2026
- Target decision
- 5 Aug 2026
- Decided
- 29 Jul 2026
Estimated project value
£37k–£100k
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: Checkatrade 2026 loft conversion cost guide.
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 410, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7SUFlat or maisonette · Leasehold · Not a standard market sale · £1,375,0002 months ago2 Jul 2026
- FLAT 510, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7SUFlat or maisonette · Leasehold · Not a standard market sale · £1,325,0002 months ago2 Jul 2026
- FLAT 209, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7RGFlat or maisonette · Leasehold · Not a standard market sale · £1,000,0002 months ago2 Jul 2026
- FLAT 104, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7RGFlat or maisonette · Leasehold · Not a standard market sale · £1,350,0002 months ago2 Jul 2026
- FLAT 401, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7SUFlat or maisonette · Leasehold · Not a standard market sale · £1,600,0002 months ago2 Jul 2026
- 27A SHEPHERD MARKET, LONDON, W1J 7PRFlat or maisonette · Leasehold · Not a standard market sale · £850,0002 months ago1 Jul 2026
- FLAT 54, CHESTERFIELD HOUSE CHESTERFIELD GARDENS, LONDON, W1J 5JUFlat or maisonette · Leasehold · £1,700,0002 months ago1 Jul 2026
- 48N BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · Not a standard market sale · £900,0006 months ago16 Mar 2026
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
- WestminsterPermittedNext door
- 50 Berkeley Street Westminster W1J 8HARefusedNext door
- 50 Berkeley Street Westminster W1J 8HAPermittedNext door
- 50 Berkeley Street Westminster W1J 8HAPermittedNext door
- 40, 42 Berkeley Street Westminster W1J 8HAPermittedAdjoining
- WestminsterPermittedAdjoining