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Permitted21/P3496Submitted 4 years agoLoft conversion

14 Blenheim Road Merton SW20 9BB

APPLICATION FOR A CERTIFICATE OF LAWFULNESS FOR THE PROPOSED ERECTION OF A HIP TO GABLE AND REAR ROOF EXTENSION; 2 FRONT ROOFLIGHTS.

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Progress

Submitted
23 Sept 2021
— completed
Validated
23 Sept 2021
— completed
Consultation
23 Sept 2021
— completed
Target date
18 Nov 2021
— completed
Decided
18 Nov 2021
— completed

Application details

Reference
21/P3496
Local authority
Merton
Postcode
SW20 9BB
Ward
West Barnes_historic
Application type
Householder
Property type
House

Key dates

Submitted
23 Sept 2021
Validated
23 Sept 2021
Comments close
23 Sept 2021
Target decision
18 Nov 2021
Decided
18 Nov 2021

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. 8 recent sales are listed below.

Homes here go for about £585,500 — the median of the last 8 market sales in SW20 9BB, £390,000 to £1,577,500.

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.

Nearby applications