18 Alexander Street Westminster W2 5NT
Lower ground floor rear extension, ground floor glazed infill extension adjacent to the closet wing, with balcony and new staircase from balcony to garden level; closet wing extended vertically to create an additional storey, new sash windows to closet wing and replacement of dormer window with doors to rear mansard roof.
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Progress
Application details
- Reference
- 25/03483/FULL
- Local authority
- Westminster
- Postcode
- W2 5NT
- Ward
- BWW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 22 May 2025
- Validated
- 22 May 2025
- Comments close
- 25 Jun 2025
- Target decision
- 17 Jul 2025
- Decided
- 7 Aug 2025
Estimated project value
£28k–£58k
Based on the 17.0m² 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: 17m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.
- 15 ALEXANDER STREET, LONDON, W2 5NTTerraced · £4,960,0007 months ago19 Jan 2026
- FLAT 4, 26 ALEXANDER STREET, LONDON, W2 5NTFlat or maisonette · Leasehold · £2,070,00016 months ago15 Apr 2025
- 18 ALEXANDER STREET, LONDON, W2 5NTTerraced · £5,300,00017 months ago24 Mar 2025
- 23A ALEXANDER STREET, LONDON, W2 5NTFlat or maisonette · Leasehold · £970,00021 months ago10 Nov 2024
- FLAT 1, 7 ALEXANDER STREET, LONDON, W2 5NTFlat or maisonette · Leasehold · £2,045,68522 months ago31 Oct 2024
- FLAT 4, 26 ALEXANDER STREET, LONDON, W2 5NTFlat or maisonette · Leasehold · £2,240,0002 years ago30 Oct 2023
- 17 ALEXANDER STREET, LONDON, W2 5NTTerraced · £5,750,0002 years ago4 Oct 2023
- LOWER GROUND FLOOR FLAT, 26 ALEXANDER STREET, LONDON, W2 5NTFlat or maisonette · Leasehold · £800,0003 years ago4 Sept 2023
Homes here go for about £2,155,000 — the median of the last 8 market sales in W2 5NT, £800,000 to £5,750,000.
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
- 18 Alexander Street Westminster W2 5NTPermittedNext door
- 18 Alexander Street Westminster W2 5NTRefusedNext door
- 17 Alexander Street Westminster W2 5NTPermittedNext door
- 17 Alexander Street Westminster W2 5NTPendingNext door
- 17 Alexander Street Westminster W2 5NTPendingNext door
- 19 Alexander Street Westminster W2 5NTPermittedNext door