Allandale Avenue Barnet N3 3PY
Two storey side and rear extension. Balcony at the rear. Insertion of front 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
- 26/0944/HSE
- Local authority
- Barnet
- Postcode
- N3 3PY
- Ward
- FC22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 12 Mar 2026
- Validated
- 12 Mar 2026
- Comments close
- 3 Apr 2026
- Target decision
- 7 May 2026
- Decided
- 5 May 2026
Estimated project value
£220k–£365k
Based on the 90.0m² 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: 90m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 31 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £950,00013 months ago25 Jul 2025
- 43 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £1,125,0004 years ago17 Jan 2022
- 49 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £1,775,0004 years ago9 Dec 2021
- 47 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £1,554,0005 years ago16 Feb 2021
- 43 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £725,00012 years ago25 Sept 2013
- 49 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £635,00019 years ago9 Jan 2007
- 47 ALLANDALE AVENUE, LONDON, N3 3PYSemi-detached · £375,50022 years ago21 Apr 2004
- 39 ALLANDALE AVENUE, LONDON, N3 3PYDetached · £750,00022 years ago31 Oct 2003
Homes here go for about £850,000 — the median of the last 8 market sales in N3 3PY, £375,500 to £1,775,000.
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
- 31 Allandale Avenue London Borough of Barnet N3 3PYRefusedNext door
- 31 Allandale Avenue London Borough of Barnet N3 3PYPermittedNext door
- 31 Allandale Avenue London Borough of Barnet N3 3PYRefusedNext door
- 31 Allandale Avenue London Borough of Barnet N3 3PYPermittedNext door
- 31 Allandale Avenue London Borough of Barnet N3 3PYPermittedNext door
- 31 Allandale Avenue London Borough of Barnet N3 3PYPermittedNext door