10 Cavendish Avenue London Borough of Barnet N3 3QN
Roof extension involving replacement and enlargement of the existing rear dormer window with juliette balcony and new rear window
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
- 21/3835/192
- Local authority
- Barnet
- Postcode
- N3 3QN
- Ward
- FC
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 12 Jul 2021
- Validated
- 12 Jul 2021
- Target decision
- 6 Sept 2021
- Decided
- 9 Aug 2021
Estimated project value
£29k–£60k
Based on the 17.6m² 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: 17.63m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.
- 2 CAVENDISH AVENUE, LONDON, N3 3QNSemi-detached · Not a standard market sale · £900,0007 months ago9 Feb 2026
- 18 CAVENDISH AVENUE, LONDON, N3 3QNOther · Not a standard market sale · £85,00010 months ago10 Nov 2025
- GROUND FLOOR MAISONETTE, 18 CAVENDISH AVENUE, LONDON, N3 3QNFlat or maisonette · Leasehold · Not a standard market sale · £290,00014 months ago27 Jun 2025
- 34 CAVENDISH AVENUE, LONDON, N3 3QNTerraced · £1,191,70015 months ago11 Jun 2025
- 4 CAVENDISH AVENUE, LONDON, N3 3QNSemi-detached · £1,040,0004 years ago4 Nov 2021
- 10 CAVENDISH AVENUE, LONDON, N3 3QNSemi-detached · £960,0005 years ago25 Jun 2021
- 34 CAVENDISH AVENUE, LONDON, N3 3QNTerraced · £780,0005 years ago21 Sept 2020
- 46 CAVENDISH AVENUE, LONDON, N3 3QNSemi-detached · £1,147,5006 years ago29 Nov 2019
Homes here go for about £1,040,000 — the median of the last 5 market sales in N3 3QN, £780,000 to £1,191,700.
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
- 10 Cavendish Avenue London Borough of Barnet N3 3QNPermittedNext door
- 6 Cavendish Avenue London Borough of Barnet N3 3QNPermittedNext door
- 4 Cavendish Avenue London Borough of Barnet N3 3QNPermittedAdjoining
- 4 Cavendish Avenue London Borough of Barnet N3 3QNPermittedAdjoining
- 4 Cavendish Avenue London Borough of Barnet N3 3QNPermittedAdjoining
- 4 Cavendish Avenue London Borough of Barnet N3 3QNPermittedAdjoining