20 Headley Avenue London Borough of Sutton SM6 8NQ
Conversion of loft space involving alterations to existing roofline and a dormer extension at rear.
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Progress
Application details
- Reference
- DM2024/01221
- Local authority
- Sutton
- Postcode
- SM6 8NQ
- Ward
- E09
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 2 Sept 2024
- Validated
- 2 Sept 2024
- Target decision
- 28 Oct 2024
- Decided
- 8 Oct 2024
Estimated project value
£36k–£75k
Based on the 24.0m² 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: 24m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 21 HEADLEY AVENUE, WALLINGTON, SM6 8NQTerraced · £540,0006 months ago27 Feb 2026
- 1 HEADLEY AVENUE, WALLINGTON, SM6 8NQSemi-detached · £530,0002 years ago13 May 2024
- 3A HEADLEY AVENUE, WALLINGTON, SM6 8NQFlat or maisonette · Leasehold · Not a standard market sale · £182,0002 years ago26 Mar 2024
- 3A HEADLEY AVENUE, WALLINGTON, SM6 8NQFlat or maisonette · Leasehold · Not a standard market sale · £110,0002 years ago24 Jan 2024
- 24 HEADLEY AVENUE, WALLINGTON, SM6 8NQTerraced · £425,0002 years ago27 Nov 2023
- 17 HEADLEY AVENUE, WALLINGTON, SM6 8NQTerraced · £510,0003 years ago31 Jul 2023
- 25 HEADLEY AVENUE, WALLINGTON, SM6 8NQTerraced · £665,0003 years ago26 May 2023
- 4 HEADLEY AVENUE, WALLINGTON, SM6 8NQTerraced · £550,0003 years ago3 Feb 2023
Homes here go for about £535,000 — the median of the last 6 market sales in SM6 8NQ, £425,000 to £665,000.
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
- 28 Headley Avenue London Borough of Sutton SM6 8NQPermittedAdjoining
- London Borough of Sutton CR0 4NPPermittedAdjoining
- 15 Headley Avenue London Borough of Sutton SM6 8NQPermitted45 yd
- 15 Headley Avenue London Borough of Sutton SM6 8NQPermitted45 yd
- 23 Headley Avenue London Borough of Sutton SM6 8NQRefused45 yd
- 23 Headley Avenue London Borough of Sutton SM6 8NQPermitted45 yd