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Permitted2021/01612/NMATSubmitted 5 years agoSide extension

3 Cosmur Close London Borough of Hammersmith and Fulham W12 9SF

Non-material amendment to planning permission reference: 2021/00297/FUL dated 1st April 2021 for the "Erection of a single storey extension to the side of the main building with 2 rooflights; installation of a new window to replace the existing garage doors to the front elevation; conversion of the existing garage into habitable accommodation." Amendments sought are for the reduction in size of the approved extension; the removal of one rooflight from the approved extension and amended description of development to read as "Erection of a single storey extension to the side of the main building with 1 rooflight; installation of a new window to replace the existing garage doors to the front elevation; conversion of the existing garage into habitable accommodation".

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Progress

Submitted
13 May 2021
— completed
Validated
13 May 2021
— completed
Consultation
—
— completed
Target date
10 Jun 2021
— completed
Decided
11 Jun 2021
— completed

Application details

Reference
2021/01612/NMAT
Local authority
Hammersmith and Fulham
Postcode
W12 9SF
Ward
RAVENS
Application type
All Other
Property type
House

Key dates

Submitted
13 May 2021
Validated
13 May 2021
Target decision
10 Jun 2021
Decided
11 Jun 2021

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

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

Homes here go for about £990,000 — the median of the last 8 market sales in W12 9SF, £500,000 to £1,275,000.

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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