40 Berkeley Square Westminster W1J 5AL
Partial demolition, infilling, extension and alterations to the existing building to form a ten storey building for office use (Class E (g)(i)) comprising: foundation strengthening lightwell infill; infill extensions from level three to eight; demolition of existing level eight; rooftop extension to replace level eight, and form levels nine and ten; replacement façade and altered entrance location; creation of terraces and plant enclosure; urban greening and landscaping; cycle parking; and other associated and ancillary works.
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 26/04056/FULL
- Local authority
- Westminster
- Postcode
- W1J 5AL
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 10 Aug 2026
- Validated
- 10 Aug 2026
- Comments close
- 14 Sept 2026
- Target decision
- 9 Nov 2026
Estimated project value
£4k–£34k
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: trade estimate.
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.
- 48N BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · Not a standard market sale · £900,0005 months ago16 Mar 2026
- 34 BERKELEY SQUARE, LONDON, W1J 5BFOther · Leasehold · Not a standard market sale · £22,600,0007 months ago16 Jan 2026
- FLAT 2, GARRICK HOUSE CARRINGTON STREET, LONDON, W1J 7AFFlat or maisonette · Leasehold · £632,0008 months ago12 Dec 2025
- FLAT 4, 33 HILL STREET, LONDON, W1J 5LTFlat or maisonette · Leasehold · £2,320,0009 months ago25 Nov 2025
- FLAT 202, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7RGFlat or maisonette · Leasehold · Not a standard market sale · £1,225,00010 months ago27 Oct 2025
- FLAT 1, AUDLEY COURT, 32 - 34 HILL STREET, LONDON, W1J 5NPFlat or maisonette · Leasehold · £4,100,00010 months ago17 Oct 2025
- 48D BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · £5,488,00011 months ago30 Sept 2025
- 41 FARM STREET, LONDON, W1J 5RPOther · Leasehold · Not a standard market sale · £1,967,55812 months ago21 Aug 2025
Homes here go for about £3,210,000 — the median of the last 4 market sales in W1J (the wider postcode district), £632,000 to £5,488,000.
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
- 1 Farm Street Westminster W1J 5RBPermittedNext door
- 1 Farm Street Westminster W1J 5RBPermittedNext door
- WestminsterPermittedAdjoining
- 36, 38 Berkeley Square Westminster W1J 5AEPermittedAdjoining
- 36, 38 Berkeley Square Westminster W1J 5AEPermittedAdjoining
- 36, 38 Berkeley Square Westminster W1J 5AEPermittedAdjoining