Sylvan Avenue Haringey N22 5JA
Lawful development (Proposed): rear dormer roof extension and addition of rooflight on the front roof slope.
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Progress
Application details
- Reference
- HGY/2025/1113
- Local authority
- Haringey
- Postcode
- N22 5JA
- Ward
- Woodside
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 2 May 2025
- Validated
- 2 May 2025
- Comments close
- 2 May 2025
- Target decision
- 27 Jun 2025
- Decided
- 7 May 2025
Estimated project value
£39k–£82k
Based on the 24.2m² 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: 24.2m² · 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.
- 67 SYLVAN AVENUE, LONDON, N22 5JAFlat or maisonette · Leasehold · £498,5003 months ago2 Jun 2026
- 91 SYLVAN AVENUE, LONDON, N22 5JATerraced · £970,00019 months ago24 Jan 2025
- 83 SYLVAN AVENUE, LONDON, N22 5JAFlat or maisonette · £360,0002 years ago20 Feb 2024
- FIRST FLOOR FLAT, 33A SYLVAN AVENUE, LONDON, N22 5JAFlat or maisonette · Leasehold · Not a standard market sale · £230,0003 years ago30 Aug 2023
- 93 SYLVAN AVENUE, LONDON, N22 5JATerraced · £902,0003 years ago9 Dec 2022
- 81 SYLVAN AVENUE, LONDON, N22 5JAFlat or maisonette · Leasehold · £390,0004 years ago30 Sept 2021
- 67 SYLVAN AVENUE, LONDON, N22 5JAFlat or maisonette · Leasehold · £443,0005 years ago19 Aug 2021
- FIRST FLOOR FLAT, 99 SYLVAN AVENUE, LONDON, N22 5JAFlat or maisonette · Leasehold · Not a standard market sale · £390,0005 years ago25 Jun 2021
Homes here go for about £470,750 — the median of the last 6 market sales in N22 5JA, £360,000 to £970,000.
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.
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