74 Firs Avenue London Borough of Barnet N11 3NQ
Single storey rear extension with a proposed depth of 5.90 metres from original rear wall, eaves height of 2.90 metres and maximum height of 3.50 metres.
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Progress
Application details
- Reference
- 20/2720/PNH
- Local authority
- Barnet
- Postcode
- N11 3NQ
- Ward
- CP
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 17 Jun 2020
- Validated
- 17 Jun 2020
- Target decision
- 29 Jul 2020
- Decided
- 22 Jul 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.
- 76 FIRS AVENUE, LONDON, N11 3NQTerraced · £425,0009 months ago24 Nov 2025
- 96 FIRS AVENUE, LONDON, N11 3NQTerraced · £445,0009 months ago21 Nov 2025
- 124 FIRS AVENUE, LONDON, N11 3NQTerraced · £435,00016 months ago30 Apr 2025
- 82 FIRS AVENUE, LONDON, N11 3NQTerraced · £482,00017 months ago21 Mar 2025
- 134 FIRS AVENUE, LONDON, N11 3NQTerraced · £460,0002 years ago16 Oct 2023
- 104 FIRS AVENUE, LONDON, N11 3NQTerraced · £478,0003 years ago9 Dec 2022
- 88 FIRS AVENUE, LONDON, N11 3NQTerraced · £490,0003 years ago7 Oct 2022
- 64 FIRS AVENUE, LONDON, N11 3NQTerraced · £425,0004 years ago25 Jul 2022
Homes here go for about £452,500 — the median of the last 8 market sales in N11 3NQ, £425,000 to £490,000.
Contains HM Land Registry data © Crown copyright and database right 2025. 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
- 74 Firs Avenue London Borough of Barnet N11 3NQRefusedNext door
- 74 Firs Avenue London Borough of Barnet N11 3NQRefusedNext door
- London Borough of BarnetRefusedNext door
- 76 Firs Avenue London Borough of Barnet N11 3NQRefusedNext door
- 86 Firs Avenue London Borough of Barnet N11 3NQRefusedAdjoining
- 86 Firs Avenue London Borough of Barnet N11 3NQPermittedAdjoining