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Permitted22/P0909Submitted 4 years agoTwo-storey extension

40 Barham Road Merton SW20 0ET

ERECTION OF A TWO STOREY SIDE EXTENSION, PART TWO STOREY REAR EXTENSION, CONVERSION OF ROOFSPACE AND CONVERSION OF GARAGE INTO HABITABLE ROOM.

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Map of the site

Progress

Submitted
18 Mar 2022
— completed
Validated
18 Mar 2022
— completed
Consultation
29 Apr 2022
— completed
Target date
28 Nov 2022
— completed
Decided
25 Nov 2022
— completed

Application details

Reference
22/P0909
Local authority
Merton
Postcode
SW20 0ET
Ward
Village_historic
Application type
Householder
Property type
House

Key dates

Submitted
18 Mar 2022
Validated
18 Mar 2022
Comments close
29 Apr 2022
Target decision
28 Nov 2022
Decided
25 Nov 2022

Estimated project value

£510k–£715k

Based on the 189m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².

Floor area gained: 189 · 2 additional bedrooms

Recently sold nearby

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

Homes here go for about £2,362,500 — the median of the last 6 market sales in SW20 0ET, £1,850,000 to £2,700,000.

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.

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