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Refused23/05497/FULLSubmitted 3 years agoSide extension

121 Fifth Avenue Westminster W10 4DR

Ground floor rear/side extension with new french doors and associated external alterations. (Linked to 23/05498/LBC)

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Progress

Submitted
5 Sept 2023
— completed
Validated
5 Sept 2023
— completed
Consultation
5 Feb 2024
— completed
Target date
31 Oct 2023
— completed
Decided
24 Jan 2024
— completed

Application details

Reference
23/05497/FULL
Local authority
Westminster
Postcode
W10 4DR
Ward
QPW_22
Application type
All Other
Property type
House

Key dates

Submitted
5 Sept 2023
Validated
5 Sept 2023
Comments close
5 Feb 2024
Target decision
31 Oct 2023
Decided
24 Jan 2024

Estimated project value

£34k–£81k

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 extension rates.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing.

Homes here go for about £862,250 — the median of the last 8 market sales in W10 4DR, £692,500 to £1,034,000.

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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