23 Mariette Way London Borough of Sutton SM6 9NL
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear rooflights to front roofslope.
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Progress
Application details
- Reference
- DM2019/00148
- Local authority
- Sutton
- Postcode
- SM6 9NL
- Ward
- D18
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 30 Jan 2019
- Validated
- 30 Jan 2019
- Target decision
- 27 Mar 2019
- Decided
- 13 Mar 2019
Estimated project value
£35k–£94k
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: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 18 MARIETTE WAY, WALLINGTON, SM6 9NLFlat or maisonette · Leasehold · £370,0007 months ago27 Jan 2026
- 7 MARIETTE WAY, WALLINGTON, SM6 9NLTerraced · £285,00017 months ago27 Mar 2025
- 20 MARIETTE WAY, WALLINGTON, SM6 9NLTerraced · £470,0003 years ago28 Jul 2023
- 12 MARIETTE WAY, WALLINGTON, SM6 9NLFlat or maisonette · Leasehold · £270,0003 years ago19 Jun 2023
- 28 MARIETTE WAY, WALLINGTON, SM6 9NLTerraced · £365,0005 years ago25 Mar 2021
- 24 MARIETTE WAY, WALLINGTON, SM6 9NLTerraced · £350,0006 years ago6 Mar 2020
- 9 MARIETTE WAY, WALLINGTON, SM6 9NLTerraced · £325,0006 years ago4 Oct 2019
- 20 MARIETTE WAY, WALLINGTON, SM6 9NLTerraced · £415,0008 years ago13 Apr 2018
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
- 23 Mariette Way London Borough of Sutton SM6 9NLPermittedNext door
- 23 Mariette Way London Borough of Sutton SM6 9NLRefusedNext door
- 23 Mariette Way London Borough of Sutton SM6 9NLWithdrawnNext door
- 29 Mariette Way Sutton SM6 9NLPermittedAdjoining
- 10 Mariette Way London Borough of Sutton SM6 9NLPermitted46 yd
- 5 Mariette Way London Borough of Sutton SM6 9NLPermitted81 yd