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PermittedDM2021/00623Submitted 5 years agoRear extension

10 Mariette Way London Borough of Sutton SM6 9NL

Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.3m.

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Progress

Submitted
25 Mar 2021
— completed
Validated
25 Mar 2021
— completed
Consultation
—
— completed
Target date
6 May 2021
— completed
Decided
5 May 2021
— completed

Application details

Reference
DM2021/00623
Local authority
Sutton
Postcode
SM6 9NL
Ward
D18
Application type
Prior Approval
Property type
House

Key dates

Submitted
25 Mar 2021
Validated
25 Mar 2021
Target decision
6 May 2021
Decided
5 May 2021

Estimated project value

£24k–£40k

Based on the 10.6m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 10.6m²

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 £357,500 — the median of the last 8 market sales in SM6 9NL, £270,000 to £470,000.

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