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Permitted25/05836/FULLSubmitted over a year agoLoft conversion

Castellain Road City Of Westminster W9 1EX

Erection of new front dormer and erection of extension to rear roof slope and removal of chimney to rear and installation of raised parapet wall along west elevation with associated railings above parapet wall along the side and rear to form terrace on rear roof

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Progress

Submitted
28 Aug 2025
— completed
Validated
28 Aug 2025
— completed
Consultation
29 Sept 2025
— completed
Target date
23 Oct 2025
— completed
Decided
21 Oct 2025
— completed

Application details

Reference
25/05836/FULL
Local authority
Westminster
Postcode
W9 1EX
Ward
MVW_22
Application type
All Other
Property type
House

Key dates

Submitted
28 Aug 2025
Validated
28 Aug 2025
Comments close
29 Sept 2025
Target decision
23 Oct 2025
Decided
21 Oct 2025

Estimated project value

£48k–£99k

Based on the 29.2m² 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: 29.2m²

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £577,500 — the median of the last 6 market sales in W9 1EX, £530,000 to £1,147,870.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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