18 Alexander Street Westminster W2 5NT
Variation of condition 1 of planning permission dated 7th August 2025 (RN: 25/03483/FULL) for the 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. Namely, changes to masonry and glazing to rear lower ground and ground floor levels.
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Progress
Application details
- Reference
- 25/09034/FULL
- Local authority
- Westminster
- Postcode
- W2 5NT
- Ward
- BWW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 12 Dec 2025
- Validated
- 12 Dec 2025
- Comments close
- 17 Mar 2026
- Target decision
- 6 Feb 2026
- Decided
- 4 Jun 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
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 5NTPendingNext door
- 17 Alexander Street Westminster W2 5NTPermittedNext door
- 17 Alexander Street Westminster W2 5NTPendingNext door
- 19 Alexander Street Westminster W2 5NTPermittedNext door