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Refused23/08098/FULLSubmitted 2 years agoSide extension

9 Fifth Avenue City Of Westminster W10 4DL

Single storey flat roofed rear/side extension to ground floor flat, including internal alterations and the partial removal of existing boundary wall.

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Progress

Submitted
26 Mar 2024
— completed
Validated
26 Mar 2024
— completed
Consultation
25 Apr 2024
— completed
Target date
21 May 2024
— completed
Decided
15 May 2024
— completed

Application details

Reference
23/08098/FULL
Local authority
Westminster
Postcode
W10 4DL
Ward
QPW_22
Application type
All Other
Property type
Flat

Key dates

Submitted
26 Mar 2024
Validated
26 Mar 2024
Comments close
25 Apr 2024
Target decision
21 May 2024
Decided
15 May 2024

Estimated project value

£40k–£67k

Based on the 16.5m² 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: 16.5

Recently sold nearby

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

Homes here go for about £553,000 — the median of the last 8 market sales in W10 4DL, £380,000 to £705,000.

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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