21 Alexander Street Westminster W2 5NT
Conversion of four residential flats into single residential family dwelling; basement extension to the lower ground floor to the front of the property, underneath the existing front garden area; in fill extension beside the closet wing to the lower ground and ground floor at the rear of the property; replacement windows to the closet wing, 3rd floor level and new roof lights to the existing roof; and new front garden boundary walls and railings with new bin store.
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Progress
Application details
- Reference
- 21/00970/FULL
- Local authority
- Westminster
- Postcode
- W2 5NT
- Ward
- BWA_02
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 18 Feb 2021
- Validated
- 18 Feb 2021
- Comments close
- 26 Apr 2021
- Target decision
- 15 Apr 2021
- Decided
- 8 Apr 2021
Estimated project value
£74k–£110k
Based on the 13.6m² of floor area stated in the application, at inner London rates (2026). Source: trade estimate, basement £4,000-£6,000/m².
Floor area gained: 13.6m²
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 · £970,00022 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
- WestminsterPermittedNext door
- WestminsterWithdrawnNext door
- 21 Alexander Street Westminster W2 5NTPermittedNext door
- 21 Alexander Street Westminster W2 5NTPermittedNext door
- 21 Alexander Street Westminster W2 5NTPermittedNext door
- 21 Alexander Street Westminster W2 5NTPermittedNext door