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Permitted24/07481/FULLSubmitted over a year agoRear extension

20 Fifth Avenue Westminster W10 4DN

Erection of a single storey rear infill extension at ground floor level.

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Progress

Submitted
14 Jan 2025
— completed
Validated
14 Jan 2025
— completed
Consultation
6 Feb 2025
— completed
Target date
11 Mar 2025
— completed
Decided
26 Mar 2025
— completed

Application details

Reference
24/07481/FULL
Local authority
Westminster
Postcode
W10 4DN
Ward
QPW_22
Application type
All Other
Property type
House

Key dates

Submitted
14 Jan 2025
Validated
14 Jan 2025
Comments close
6 Feb 2025
Target decision
11 Mar 2025
Decided
26 Mar 2025

Estimated project value

£21k–£35k

Based on the 8.7m² 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: 8.7

Recently sold nearby

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

Homes here go for about £530,000 — the median of the last 5 market sales in W10 4DN, £440,000 to £615,000.

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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