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Permitted20/P1852Submitted 6 years agoNew dwelling

1 Blenheim Road Merton SW20 9BB

EXTENSION AND CONVERSION OF EXISTING DWELLING TO CREATE 5 x SELF-CONTAINED FLATS & 2 x DWELLINGHOUSES AND THE ERECTION OF 2 x SEMI-DETATCHED HOUSES AT THE REAR OF THE SITE TOGETHER WITH ASSOCIATED WORKS.

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Progress

Submitted
22 Jul 2020
— completed
Validated
22 Jul 2020
— completed
Consultation
8 Jul 2021
— completed
Target date
16 Sept 2020
— completed
Decided
30 Jul 2021
— completed

Application details

Reference
20/P1852
Local authority
Merton
Postcode
SW20 9BB
Ward
West Barnes_historic
Application type
All Other
Property type
Flat

Key dates

Submitted
22 Jul 2020
Validated
22 Jul 2020
Comments close
8 Jul 2021
Target decision
16 Sept 2020
Decided
30 Jul 2021

Estimated project value

£270k–£565k

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: MyBuilder / RapidQS 2026, ~120m² at £2,000-£3,500/m².

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