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Permitted23/00534/FULLSubmitted 3 years agoRear extension

3, 7 Third Avenue Westminster W10 4RS

Installation of a security entrance to existing entrance on the north elevation. Erection of a single storey extension with pitched roof to rear at first floor level.

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Map of the site

Progress

Submitted
21 Mar 2023
— completed
Validated
21 Mar 2023
— completed
Consultation
20 Apr 2023
— completed
Target date
16 May 2023
— completed
Decided
2 May 2023
— completed

Application details

Reference
23/00534/FULL
Local authority
Westminster
Postcode
W10 4RS
Ward
QPW_22
Application type
All Other
Property type
House

Key dates

Submitted
21 Mar 2023
Validated
21 Mar 2023
Comments close
20 Apr 2023
Target decision
16 May 2023
Decided
2 May 2023

Estimated project value

£32k–£53k

Based on the 13.0m² 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: 13m²

Recently sold nearby

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

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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