4 Denman Street Westminster W1D 7HD
Erection of a mansard roof extension at fourth and fifth floor level, to create two additional residential units (Class C3) (1 1-bed and 1 studio) with associated balcony and fire escape and external alterations including the installation of a new duct to new roof level.
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
- 23/06205/FULL
- Local authority
- Westminster
- Postcode
- W1D 7HD
- Ward
- WEW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 7 Sept 2023
- Validated
- 7 Sept 2023
- Comments close
- 13 Oct 2023
- Target decision
- 2 Nov 2023
- Decided
- 27 Nov 2023
Estimated project value
£185k–£385k
Based on the 114m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 114m²
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.
- 51 - 52 FRITH STREET, LONDON, W1D 4SHOther · Not a standard market sale · £18,400,0003 months ago21 Jul 2026
- FLAT 3, 16 BATEMAN STREET, LONDON, W1D 3AHFlat or maisonette · Leasehold · £518,5003 months ago17 Jul 2026
- FLAT 9, 12 BOURCHIER STREET, LONDON, W1D 4HZFlat or maisonette · Leasehold · £1,250,0004 months ago19 Jun 2026
- FLAT 1B, 16 BATEMAN STREET, LONDON, W1D 3AHFlat or maisonette · Leasehold · Not a standard market sale · £395,0005 months ago5 May 2026
- TOP FLOOR FLAT, 29 DEAN STREET, LONDON, W1D 3RAOther · Not a standard market sale · £2,615,0006 months ago27 Apr 2026
- 17 CARLISLE STREET, LONDON, W1D 3BUTerraced · Not a standard market sale · £3,926,3936 months ago7 Apr 2026
- GROUND FLOOR SHOP, 241 OXFORD STREET, LONDON, W1D 2LTOther · Leasehold · Not a standard market sale · £201,0006 months ago31 Mar 2026
- FLAT 23, SOHO LOFTS, 10 RICHMOND MEWS, LONDON, W1D 3DDFlat or maisonette · Leasehold · £765,0008 months ago16 Feb 2026
Homes here go for about £765,000 — the median of the last 3 market sales in W1D (the wider postcode district), £518,500 to £1,250,000.
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
- 4 Denman Street Westminster W1D 7HDPermittedNext door
- 4 Denman Street Westminster W1D 7HDPermittedNext door
- 4 Denman Street Westminster W1D 7HDPermittedNext door
- 4 Denman Street Westminster W1D 7HDPermittedNext door
- 4 Denman Street Westminster W1D 7HDPermittedNext door
- 4 Denman Street Westminster W1D 7HDPermittedNext door