London Borough of Sutton SM3 9RY
Erection of a single storey rear extension.
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Progress
Application details
- Reference
- DM2021/00300
- Local authority
- Sutton
- Postcode
- SM3 9RY
- Ward
- A03
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 24 Feb 2021
- Validated
- 24 Feb 2021
- Target decision
- 21 Apr 2021
- Decided
- 15 Apr 2021
Estimated project value
£39k–£64k
Based on the 17.0m² 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: 17m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.
- 137 WINDSOR AVENUE, SUTTON, SM3 9RYTerraced · £535,00012 months ago22 Aug 2025
- 155 WINDSOR AVENUE, SUTTON, SM3 9RYTerraced · £665,00013 months ago18 Jul 2025
- 173 WINDSOR AVENUE, SUTTON, SM3 9RYTerraced · £467,00017 months ago27 Mar 2025
- 127 WINDSOR AVENUE, SUTTON, SM3 9RYSemi-detached · £516,00017 months ago11 Mar 2025
- 159 WINDSOR AVENUE, SUTTON, SM3 9RYTerraced · £520,0002 years ago31 Oct 2023
- 169 WINDSOR AVENUE, SUTTON, SM3 9RYTerraced · £730,0003 years ago10 Oct 2022
- 86 WINDSOR AVENUE, SUTTON, SM3 9RYOther · Not a standard market sale · £670,0003 years ago10 Oct 2022
- 171 WINDSOR AVENUE, SUTTON, SM3 9RYTerraced · £428,0005 years ago24 Mar 2021
Homes here go for about £520,000 — the median of the last 7 market sales in SM3 9RY, £428,000 to £730,000.
Contains HM Land Registry data © Crown copyright and database right 2025. 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
- London Borough of Sutton SM3 9RYPermittedNext door
- 159 Windsor Avenue London Borough of Sutton SM3 9RYRefusedNext door
- 159 Windsor Avenue London Borough of Sutton SM3 9RYPermittedNext door
- London Borough of Sutton SM3 9RYRefusedAdjoining
- London Borough of Sutton SM3 9RYPermittedAdjoining
- 173 Windsor Avenue Sutton SM3 9RYPermittedAdjoining