8 Allandale Avenue London Borough of Barnet N3 3PJ
Single storey rear extension and pergola. Alterations to the existing terrace area. Changes to rear fenestration
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
- 26/2165/HSE
- Local authority
- Barnet
- Postcode
- N3 3PJ
- Ward
- FC22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 18 Jun 2026
- Validated
- 18 Jun 2026
- Target decision
- 13 Aug 2026
- Decided
- 12 Aug 2026
Estimated project value
£49k–£81k
Based on the 20.0m² 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: 20m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 2A ALLANDALE AVENUE, LONDON, N3 3PJDetached · £1,675,00016 months ago29 Apr 2025
- 22 ALLANDALE AVENUE, LONDON, N3 3PJDetached · £2,600,00017 months ago24 Mar 2025
- 26 ALLANDALE AVENUE, LONDON, N3 3PJDetached · £2,725,0003 years ago22 Jun 2023
- FAIRVIEW, 3A ALLANDALE AVENUE, LONDON, N3 3PJDetached · £1,950,0003 years ago21 Oct 2022
- 30 ALLANDALE AVENUE, LONDON, N3 3PJDetached · £3,495,0004 years ago5 Nov 2021
- 12 ALLANDALE AVENUE, LONDON, N3 3PJDetached · £2,030,0004 years ago24 Sept 2021
- 8 ALLANDALE AVENUE, LONDON, N3 3PJDetached · £1,850,0005 years ago12 Feb 2021
- 40 ALLANDALE AVENUE, LONDON, N3 3PJSemi-detached · £1,585,0005 years ago30 Sept 2020
Homes here go for about £1,990,000 — the median of the last 8 market sales in N3 3PJ, £1,585,000 to £3,495,000.
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.
Recorded changes
- 5 Sept 2026: Refused
Nearby applications
- 8 Allandale Avenue London Borough of Barnet N3 3PJRefusedNext door
- 12 Allandale Avenue London Borough of Barnet N3 3PJPermittedAdjoining
- 12 Allandale Avenue London Borough of Barnet N3 3PJPermittedAdjoining
- 14 Chessington Avenue Barnet N3 3DPPermitted51 yd
- 2A Allandale Avenue London Borough of Barnet N3 3PJPermitted88 yd
- 2A Allandale Avenue London Borough of Barnet N3 3PJPermitted89 yd