12 ROSSLYN AVENUE Waltham Forest E4 6DX
Lawful Development Certificate (Proposed) - Construction of a hip to gable side roof extension, and dormer roof extension to main rear roof. Together with installation of three roof lights to front roof slope and relocation of side window at first floor level.
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 252935
- Local authority
- Waltham Forest
- Postcode
- E4 6DX
- Ward
- Hatch Lane & Highams Park North
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 10 Dec 2025
- Validated
- 10 Dec 2025
- Target decision
- 4 Feb 2026
- Decided
- 3 Feb 2026
Estimated project value
£45k–£93k
Based on the 27.6m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 27.6m² · 1 additional bedrooms
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.
- 19 ROSSLYN AVENUE, LONDON, E4 6DXSemi-detached · £750,0004 months ago10 Apr 2026
- 17 ROSSLYN AVENUE, LONDON, E4 6DXSemi-detached · £840,00013 months ago21 Jul 2025
- 14 ROSSLYN AVENUE, LONDON, E4 6DXSemi-detached · £625,00018 months ago7 Mar 2025
- 29 ROSSLYN AVENUE, LONDON, E4 6DXTerraced · £540,0002 years ago2 Aug 2024
- 24 ROSSLYN AVENUE, LONDON, E4 6DXTerraced · £650,0002 years ago12 Jan 2024
- 11 ROSSLYN AVENUE, LONDON, E4 6DXSemi-detached · £800,0003 years ago6 Dec 2022
- 6 ROSSLYN AVENUE, LONDON, E4 6DXSemi-detached · £910,0003 years ago21 Oct 2022
- 6 ROSSLYN AVENUE, LONDON, E4 6DXSemi-detached · £660,5006 years ago28 Aug 2020
Homes here go for about £705,250 — the median of the last 8 market sales in E4 6DX, £540,000 to £910,000.
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
- 14 ROSSLYN AVENUE Waltham Forest E4 6DXPermittedNext door
- 14 ROSSLYN AVENUE Waltham Forest E4 6DXPermittedNext door
- 18 Waltham Forest E4 6DXRefusedAdjoining
- 18 Waltham Forest E4 6DXUnknownAdjoining
- Waltham ForestWithdrawnAdjoining
- 18 ROSSLYN AVENUE Waltham Forest E4 6DXRefusedAdjoining