50 Hillfield Avenue London Borough of Barnet NW9 6NX
Single storey rear extension. New side window. [AMENDED PLANS & DESCRIPTION]
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Progress
Application details
- Reference
- 20/5687/HSE
- Local authority
- Barnet
- Postcode
- NW9 6NX
- Ward
- CL
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 27 Nov 2020
- Validated
- 27 Nov 2020
- Target decision
- 22 Jan 2021
- Decided
- 5 Feb 2021
Estimated project value
£50k–£83k
Based on the 20.5m² 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: 20.46m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 46 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £610,0009 months ago9 Dec 2025
- 44 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £422,00013 years ago2 Jan 2013
- 76 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £360,00013 years ago23 Nov 2012
- 24 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £250,00016 years ago20 Aug 2010
- 26 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £250,00016 years ago10 Nov 2009
- 30 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £250,00018 years ago6 Jun 2008
- 24 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £250,00018 years ago21 May 2008
- 56 HILLFIELD AVENUE, LONDON, NW9 6NXSemi-detached · £320,00018 years ago5 Oct 2007
Homes here go for about £285,000 — the median of the last 8 market sales in NW9 6NX, £250,000 to £610,000.
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
- 50 Hillfield Avenue London Borough of Barnet NW9 6NXRefusedNext door
- 50 Hillfield Avenue London Borough of Barnet NW9 6NXPermittedNext door
- 60 Hillfield Avenue London Borough of Barnet NW9 6NXRefusedAdjoining
- 45 Silkfield Road London Borough of Barnet NW9 6QUPermitted46 yd
- 44 Silkfield Road London Borough of Barnet NW9 6QUPermitted49 yd
- 46 Silkfield Road London Borough of Barnet NW9 6QUPermitted49 yd