17 Thorndene Avenue London Borough of Barnet N11 1ET
Roof extension, including hip to gable, rear dormer window with 1no. juliette balcony
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
- 19/4954/192
- Local authority
- Barnet
- Postcode
- N11 1ET
- Ward
- BP
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 19 Sept 2019
- Validated
- 19 Sept 2019
- Target decision
- 14 Nov 2019
- Decided
- 15 Oct 2019
Estimated project value
£37k–£100k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 4 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £800,0002 years ago4 Dec 2023
- 2 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £465,0005 years ago10 Mar 2021
- 7 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £550,0006 years ago17 Sept 2019
- 12 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £640,00010 years ago18 Dec 2015
- 3 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £359,95019 years ago20 Jul 2007
- 17 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £284,00024 years ago8 Aug 2002
- 7 THORNDENE AVENUE, LONDON, N11 1ETSemi-detached · £250,00024 years ago5 Jul 2002
- 9 THORNDENE AVENUE, LONDON, N11 1ETDetached · £210,00024 years ago30 Nov 2001
Homes here go for about £412,475 — the median of the last 8 market sales in N11 1ET, £210,000 to £800,000.
Contains HM Land Registry data © Crown copyright and database right 2023. 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
- 21 Thorndene Avenue London Borough of Barnet N11 1ETPermittedAdjoining
- 3 Thorndene Avenue Barnet N11 1ETRefused50 yd
- 37 Dene Road London Borough of Barnet N11 1ESPermitted54 yd
- 6 Prevost Road London Borough of Barnet N11 1ENPermitted57 yd
- 6 Prevost Road London Borough of Barnet N11 1ENPermitted57 yd
- 243 Brunswick Park Road London Borough of Barnet N11 1EUPermitted60 yd