56 Southbourne Avenue London Borough of Barnet NW9 5BT
First floor side extension. Roof extension involving hip to gable, rear dormer window, 2no rooflights to front elevation to facilitate a loft conversion
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
- 17/4173/HSE
- Local authority
- Barnet
- Postcode
- NW9 5BT
- Ward
- BO
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 24 Jul 2017
- Validated
- 24 Jul 2017
- Target decision
- 18 Sept 2017
- Decided
- 18 Sept 2017
Estimated project value
£37k–£100k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 8 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · £580,00019 months ago20 Mar 2025
- 54 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · £568,0002 years ago10 May 2024
- 30 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · Not a standard market sale · £547,0002 years ago8 Feb 2024
- 46 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · £555,0003 years ago14 Apr 2023
- 26 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · £575,0006 years ago5 Jun 2020
- 4 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · Not a standard market sale · £510,0008 years ago16 Oct 2018
- 16 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · £590,0009 years ago31 Jan 2017
- 44 SOUTHBOURNE AVENUE, LONDON, NW9 5BTSemi-detached · £425,00012 years ago26 Sept 2014
Homes here go for about £571,500 — the median of the last 6 market sales in NW9 5BT, £425,000 to £590,000.
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
- 48 Southbourne Avenue London Borough of Barnet NW9 5BTPermittedAdjoining
- 56 Montrose Avenue London Borough of Barnet HA8 0DWPermitted50 yd
- 56 Montrose Avenue London Borough of Barnet HA8 0DWPermitted51 yd
- 42 Southbourne Avenue London Borough of Barnet NW9 5BTPermitted52 yd
- 42 Southbourne Avenue London Borough of Barnet NW9 5BTRefused52 yd
- 40 Southbourne Avenue London Borough of Barnet NW9 5BTWithdrawn59 yd