31 Windsor Avenue London Borough of Sutton SM3 9RR
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
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Progress
Application details
- Reference
- DM2024/01750
- Local authority
- Sutton
- Postcode
- SM3 9RR
- Ward
- W03
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 23 Dec 2024
- Validated
- 23 Dec 2024
- Target decision
- 17 Feb 2025
- Decided
- 7 Feb 2025
Estimated project value
£41k–£85k
Based on the 27.0m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 27m² · 1 additional bedrooms
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.
- 9 WINDSOR AVENUE, SUTTON, SM3 9RRTerraced · £285,0004 months ago14 Apr 2026
- 41 WINDSOR AVENUE, SUTTON, SM3 9RRTerraced · £630,00019 months ago29 Jan 2025
- 5 WINDSOR AVENUE, SUTTON, SM3 9RRTerraced · £655,0002 years ago15 Mar 2024
- 4 WINDSOR AVENUE, SUTTON, SM3 9RRTerraced · Not a standard market sale · £475,0003 years ago13 Jan 2023
- 10 WINDSOR AVENUE, SUTTON, SM3 9RRSemi-detached · £825,0004 years ago26 Aug 2022
- 45 WINDSOR AVENUE, SUTTON, SM3 9RRTerraced · £450,0005 years ago31 Aug 2021
- 8 WINDSOR AVENUE, SUTTON, SM3 9RRSemi-detached · £495,0005 years ago28 May 2021
- 27 WINDSOR AVENUE, SUTTON, SM3 9RRTerraced · Leasehold · £540,0005 years ago30 Mar 2021
Homes here go for about £540,000 — the median of the last 7 market sales in SM3 9RR, £285,000 to £825,000.
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
- 37 Windsor Avenue London Borough of Sutton SM3 9RRPermittedNext door
- 39 Windsor Avenue London Borough of Sutton SM3 9RRPermittedAdjoining
- London Borough of Sutton SM3 9RRPermittedAdjoining
- London Borough of Sutton SM3 9RRPermittedAdjoining
- London Borough of Sutton SM3 9RRRefusedAdjoining
- London Borough of Sutton SM3 9RRPermitted47 yd