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Permitted2022/01014/FULSubmitted 4 years agoLoft conversion

40 Cobbold Road London Borough of Hammersmith and Fulham W12 9LW

Erection of a rear roof extension involving an increase in the ridge height by 300mm; installation of 3no. rooflights in the front roofslope; erection of a rear extension at second floor level, over part of the existing back addition; erection of frameless obscure glazed screens around the remaining roof of back addition at second floor level in connection with its use as a terrace; erection of a single storey rear extension, to the side and rear of the existing back addition; installation of a replacement window and bricking up of another window to the side elevation of the existing back addition at first floor level; installation of a new window to the rear elevation of the existing back addition at first floor level.

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Progress

Submitted
3 May 2022
— completed
Validated
3 May 2022
— completed
Consultation
21 Jul 2022
— completed
Target date
28 Jun 2022
— completed
Decided
29 Jul 2022
— completed

Application details

Reference
2022/01014/FUL
Local authority
Hammersmith and Fulham
Postcode
W12 9LW
Ward
ASKEW
Application type
All Other
Property type
House

Key dates

Submitted
3 May 2022
Validated
3 May 2022
Comments close
21 Jul 2022
Target decision
28 Jun 2022
Decided
29 Jul 2022

Estimated project value

£37k–£100k

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: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £1,072,500 — the median of the last 8 market sales in W12 9LW, £390,000 to £1,290,000.

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.

Nearby applications