34 Cavendish Avenue London Borough of Barnet N3 3QN
Single storey rear extension and new raised patio in the rear garden
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Progress
Application details
- Reference
- 20/4663/HSE
- Local authority
- Barnet
- Postcode
- N3 3QN
- Ward
- FC
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 2 Oct 2020
- Validated
- 2 Oct 2020
- Target decision
- 27 Nov 2020
- Decided
- 27 Nov 2020
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
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
- 34 Cavendish Avenue London Borough of Barnet N3 3QNPermittedNext door
- 34 Cavendish Avenue London Borough of Barnet N3 3QNPermittedNext door
- 25 Cavendish Avenue London Borough of Barnet N3 3QPPermitted46 yd
- 25 Cavendish Avenue London Borough of Barnet N3 3QPPermitted46 yd
- 22 Cavendish Avenue Barnet N3 3QNPermitted54 yd
- 5 Stanhope Avenue London Borough of Barnet N3 3LXRefused81 yd