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RefusedDM2019/00857Submitted 7 years agoRear extension

23 Mariette Way London Borough of Sutton SM6 9NL

Non Material Amendment application to amend approved Planning Application DM2018/01716 to allow for the party wall of extension at rear to be moved 100mm off the boundary fence, the roof of the rear extension to accommodate 3 roof windows, additional roof windows to be installed on the new extension roof, installation of patio at rear, additional steps to side access, triangular windows to be installed on each side of the rear extension and render applied to extensions and main house.

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Progress

Submitted
21 May 2019
— completed
Validated
21 May 2019
— completed
Consultation
— completed
Target date
18 Jun 2019
— completed
Decided
18 Jun 2019
— completed

Application details

Reference
DM2019/00857
Local authority
Sutton
Postcode
SM6 9NL
Ward
D18
Application type
All Other
Property type
House

Key dates

Submitted
21 May 2019
Validated
21 May 2019
Target decision
18 Jun 2019
Decided
18 Jun 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