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Permitted10/P1379Rear extension

33 Chalgrove Avenue Merton SM4 5RB

ERECTION OF SINGLE STOREY REAR EXTENSION

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Progress

Submitted
— completed
Validated
— completed
Consultation
26 Jun 2010
— completed
Target date
1 Jul 2010
— completed
Decided
1 Jul 2020
— completed

Application details

Reference
10/P1379
Local authority
Merton
Postcode
SM4 5RB
Ward
St Helier
Application type
Householder
Property type
House

Key dates

Comments close
26 Jun 2010
Target decision
1 Jul 2010
Decided
1 Jul 2020

Estimated project value

£38k–£69k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £562,500 — the median of the last 6 market sales in SM4 5RB, £465,000 to £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.

Nearby applications