1 Upper Cavendish Avenue London Borough of Barnet N3 3NN
Remodelling of existing single storey rear extension including replacement of pitched roof with flat roof. First floor rear extension and installation of 2no. side facing rooflights
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
- 26/3472/HSE
- Local authority
- Barnet
- Postcode
- N3 3NN
- Ward
- FC22
- Application type
- Householder
- Property type
- Flat
Key dates
- Submitted
- 24 Sept 2026
- Validated
- 24 Sept 2026
- Target decision
- 19 Nov 2026
Estimated project value
£41k–£75k
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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
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 UPPER CAVENDISH AVENUE, LONDON, N3 3NNDetached · £1,232,0002 years ago10 May 2024
- 2 UPPER CAVENDISH AVENUE, LONDON, N3 3NNSemi-detached · £1,265,0002 years ago12 Apr 2024
- 3 UPPER CAVENDISH AVENUE, LONDON, N3 3NNDetached · £650,0007 years ago5 Apr 2019
- 5 UPPER CAVENDISH AVENUE, LONDON, N3 3NNDetached · £1,120,00010 years ago23 Mar 2016
- 1 UPPER CAVENDISH AVENUE, LONDON, N3 3NNDetached · £860,00013 years ago13 Dec 2012
- 6 UPPER CAVENDISH AVENUE, LONDON, N3 3NNDetached · £820,00018 years ago26 Oct 2007
- 1 UPPER CAVENDISH AVENUE, LONDON, N3 3NNDetached · £620,00020 years ago22 Nov 2005
- 2 UPPER CAVENDISH AVENUE, LONDON, N3 3NNSemi-detached · £470,00021 years ago14 Apr 2005
Homes here go for about £840,000 — the median of the last 8 market sales in N3 3NN, £470,000 to £1,265,000.
Contains HM Land Registry data © Crown copyright and database right 2024. 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
- 3 Upper Cavendish Avenue London Borough of Barnet N3 3NNPermittedNext door
- 3 Upper Cavendish Avenue London Borough of Barnet N3 3NNPermittedNext door
- London Borough of Barnet N3 3NPPermittedAdjoining
- London Borough of Barnet N3 3NPRefusedAdjoining
- 24 Holly Park Gardens London Borough of Barnet N3 3NJPermitted45 yd
- 44A Mountfield Road London Borough of Barnet N3 3NPRefused47 yd