51 Highfield Avenue London Borough of Barnet NW11 9EU
Single storey rear infill extension
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Progress
Application details
- Reference
- 25/1786/HSE
- Local authority
- Barnet
- Postcode
- NW11 9EU
- Ward
- GG22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 28 Apr 2025
- Validated
- 28 Apr 2025
- Target decision
- 23 Jun 2025
- Decided
- 9 Jun 2025
Estimated project value
£44k–£73k
Based on the 18.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 18m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 53 HIGHFIELD AVENUE, LONDON, NW11 9EUFlat or maisonette · Leasehold · Not a standard market sale · £518,50010 months ago3 Nov 2025
- 49 HIGHFIELD AVENUE, LONDON, NW11 9EUSemi-detached · Not a standard market sale · £1,300,00016 months ago30 Apr 2025
- 57 HIGHFIELD AVENUE, LONDON, NW11 9EUOther · Not a standard market sale · £990,0003 years ago3 Apr 2023
- 37 HIGHFIELD AVENUE, LONDON, NW11 9EUFlat or maisonette · £930,0004 years ago30 Sept 2021
- 53 HIGHFIELD AVENUE, LONDON, NW11 9EUFlat or maisonette · Leasehold · £535,0008 years ago1 Jun 2018
- 59 HIGHFIELD AVENUE, LONDON, NW11 9EUSemi-detached · Not a standard market sale · £985,0008 years ago26 Apr 2018
- FLAT 3, 35 HIGHFIELD AVENUE, LONDON, NW11 9EUFlat or maisonette · Leasehold · £307,50011 years ago2 Jun 2015
- FLAT 2, 35 HIGHFIELD AVENUE, LONDON, NW11 9EUFlat or maisonette · Leasehold · £380,00011 years ago12 May 2015
Homes here go for about £457,500 — the median of the last 4 market sales in NW11 9EU, £307,500 to £930,000.
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
- 51 Highfield Avenue London Borough of Barnet NW11 9EUPermittedNext door
- 51 Highfield Avenue London Borough of Barnet NW11 9EUPermittedNext door
- 51 Highfield Avenue, Barnet NW11 9EUPermittedNext door
- London Borough of BarnetPermittedAdjoining
- 59 Highfield Avenue London Borough of Barnet NW11 9EUPermittedAdjoining
- 59 Highfield Avenue London Borough of Barnet NW11 9EUPermittedAdjoining