7 Castellain Road Westminster W9 1EY
Erection of single storey extensions to front and rear at lower ground floor level; and associated external alterations.
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Progress
Application details
- Reference
- 23/03830/FULL
- Local authority
- Westminster
- Postcode
- W9 1EY
- Ward
- LVW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 27 Jun 2023
- Validated
- 27 Jun 2023
- Comments close
- 31 Jul 2023
- Target decision
- 22 Aug 2023
- Decided
- 19 Sept 2023
Estimated project value
£27k–£45k
Based on the 11.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 11m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- GARDEN FLOOR FLAT, 19 CASTELLAIN ROAD, LONDON, W9 1EYFlat or maisonette · Leasehold · £1,050,00016 months ago27 Jun 2025
- FIRST FLOOR FLAT, 23 CASTELLAIN ROAD, LONDON, W9 1EYFlat or maisonette · Leasehold · £895,00021 months ago17 Jan 2025
- FIRST FLOOR FLAT, 23 CASTELLAIN ROAD, LONDON, W9 1EYFlat or maisonette · Leasehold · £800,0003 years ago8 Sept 2023
- 5 CASTELLAIN ROAD, LONDON, W9 1EYTerraced · Not a standard market sale · £6,950,0003 years ago28 Nov 2022
- SECOND AND THIRD FLOOR FLAT, 23 CASTELLAIN ROAD, LONDON, W9 1EYFlat or maisonette · Leasehold · £1,140,0004 years ago4 Jul 2022
- FLAT 3, 11 CASTELLAIN ROAD, LONDON, W9 1EYFlat or maisonette · Leasehold · £717,0004 years ago25 Nov 2021
- 33 CASTELLAIN ROAD, LONDON, W9 1EYTerraced · £5,795,0005 years ago15 Jul 2021
- SECOND AND THIRD FLOOR FLAT, 25 CASTELLAIN ROAD, LONDON, W9 1EYFlat or maisonette · Leasehold · £1,175,0006 years ago16 Dec 2019
Homes here go for about £1,050,000 — the median of the last 7 market sales in W9 1EY, £717,000 to £5,795,000.
Contains HM Land Registry data © Crown copyright and database right 2025. 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.
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