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Refused25/04742/FULLSubmitted over a year agoLoft conversion

135 Portnall Road Westminster W9 3BN

Construction of a full-width rear dormer extension to provide additional habitable accommodation at roof level, including extension of party walls in matching materials, associated alterations and installation of sash windows.

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Progress

Submitted
8 Aug 2025
— completed
Validated
8 Aug 2025
— completed
Consultation
18 Sept 2025
— completed
Target date
3 Oct 2025
— completed
Decided
2 Oct 2025
— completed

Application details

Reference
25/04742/FULL
Local authority
Westminster
Postcode
W9 3BN
Ward
QPW_22
Application type
All Other
Property type
House

Key dates

Submitted
8 Aug 2025
Validated
8 Aug 2025
Comments close
18 Sept 2025
Target decision
3 Oct 2025
Decided
2 Oct 2025

Estimated project value

£44k–£91k

Based on the 27.0m² 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: 27m² · 2 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £620,000 — the median of the last 5 market sales in W9 3BN, £492,500 to £783,000.

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.

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