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PermittedDM2019/01395Submitted 7 years agoRear extension

23 Mariette Way London Borough of Sutton SM6 9NL

Demolition of existing rear conservatory and timber shed and erection of a part one, part two storey side and rear extension (amendment to planning permission DM2018/01716).

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Progress

Submitted
22 Aug 2019
— completed
Validated
22 Aug 2019
— completed
Consultation
—
— completed
Target date
17 Oct 2019
— completed
Decided
1 Oct 2019
— completed

Application details

Reference
DM2019/01395
Local authority
Sutton
Postcode
SM6 9NL
Ward
D18
Application type
Householder
Property type
House

Key dates

Submitted
22 Aug 2019
Validated
22 Aug 2019
Target decision
17 Oct 2019
Decided
1 Oct 2019

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 £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