9 St Johns Avenue London Borough of Barnet N11 3BX
Roof extension with 1no. rear dormer window over main roof and 1no. rear dormer over outrigger roof, 3no. front facing rooflights and new side gable window
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Progress
Application details
- Reference
- 26/3067/192
- Local authority
- Barnet
- Postcode
- N11 3BX
- Ward
- FB22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 20 Aug 2026
- Validated
- 20 Aug 2026
- Target decision
- 15 Oct 2026
- Decided
- 27 Aug 2026
Estimated project value
£72k–£150k
Based on the 44.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 44m² · 1 additional bedrooms
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 9 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £830,0002 years ago1 Feb 2024
- 25 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £840,0003 years ago30 Jun 2023
- 26 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £765,0005 years ago18 Feb 2021
- 18 ST JOHNS AVENUE, LONDON, N11 3BXSemi-detached · £750,0005 years ago20 Nov 2020
- 4 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £732,5006 years ago4 Nov 2019
- 8 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £450,0007 years ago7 Feb 2019
- 9 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £740,0008 years ago16 Mar 2018
- 7 ST JOHNS AVENUE, LONDON, N11 3BXTerraced · £657,00010 years ago12 Feb 2016
Homes here go for about £745,000 — the median of the last 8 market sales in N11 3BX, £450,000 to £840,000.
Contains HM Land Registry data © Crown copyright and database right 2024. 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
- 7 St Johns Avenue London Borough of Barnet N11 3BXPermittedNext door
- 3 St Johns Avenue London Borough of Barnet N11 3BXPermittedNext door
- 23 St Johns Avenue London Borough of Barnet N11 3BXPermitted44 yd
- 23 St Johns Avenue London Borough of Barnet N11 3BXPermitted45 yd
- R/O ST. JOHNS CHURCH FRIERN BARNET ROAD Barnet N11Permitted47 yd
- 18 St Johns Avenue London Borough of Barnet N11 3BXWithdrawn47 yd