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Permitted23/P0714Submitted 3 years agoLoft conversion

20 DURHAM ROAD Merton SW20 0TW

APPLICATION FOR A CERTIFICATE OF LAWFULNESS FOR THE PROPOSED ERECTION OF A ROOF EXTENSION TO THE REAR PROJECTING WING; A SINGLE STOREY SIDE EXTENSION AND A SINGLE STOREY REAR EXTENSION

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Progress

Submitted
5 Apr 2023
— completed
Validated
5 Apr 2023
— completed
Consultation
5 Apr 2023
— completed
Target date
31 May 2023
— completed
Decided
15 Apr 2023
— completed

Application details

Reference
23/P0714
Local authority
Merton
Postcode
SW20 0TW
Ward
Raynes Park
Application type
Householder
Property type
House

Key dates

Submitted
5 Apr 2023
Validated
5 Apr 2023
Comments close
5 Apr 2023
Target decision
31 May 2023
Decided
15 Apr 2023

Estimated project value

£34k–£71k

Based on the 21.1m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 21.1m² · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.

Homes here go for about £495,000 — the median of the last 7 market sales in SW20 0TW, £297,000 to £1,062,500.

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.

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