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Permitted25/09172/FULLSubmitted 10 months agoRear extension

23 Blomfield Road Westminster W9 1AD

Alterations to the basement and rear extension and fenestration, including the installation of a door in place of the approved windows and replacement of front lightwell balustrade with railings and associated works. (26/07098/ADLBC)

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Map of the site

Progress

Submitted
18 Dec 2025
— completed
Validated
18 Dec 2025
— completed
Consultation
24 Mar 2026
— completed
Target date
12 Feb 2026
— completed
Decided
5 Jun 2026
— completed

Application details

Reference
25/09172/FULL
Local authority
Westminster
Postcode
W9 1AD
Ward
LVW_22
Application type
All Other
Property type
House

Key dates

Submitted
18 Dec 2025
Validated
18 Dec 2025
Comments close
24 Mar 2026
Target decision
12 Feb 2026
Decided
5 Jun 2026

Estimated project value

£41k–£75k

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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £2,825,000 — the median of the last 7 market sales in W9 1AD, £600,000 to £24,200,000.

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.

Recorded changes

  • 22 Oct 2026: The proposal was amended

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