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RefusedDM2020/00143Submitted 6 years agoRear extension

89 Onslow Gardens London Borough of Sutton SM6 9PX

Prior Approval for a single storey rear extension projecting from the rear of the original house by 5.3m.

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Progress

Submitted
29 Jan 2020
— completed
Validated
29 Jan 2020
— completed
Consultation
—
— completed
Target date
11 Mar 2020
— completed
Decided
9 Mar 2020
— completed

Application details

Reference
DM2020/00143
Local authority
Sutton
Postcode
SM6 9PX
Ward
D16
Application type
Prior Approval
Property type
House

Key dates

Submitted
29 Jan 2020
Validated
29 Jan 2020
Target decision
11 Mar 2020
Decided
9 Mar 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. 3 recent sales are listed below.

Homes here go for about £572,500 — the median of the last 8 market sales in SM6 9PX, £322,000 to £827,000.

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