21 Southbourne Crescent London Borough of Barnet NW4 2LB
Two storey side and part single, part two storey rear extension following demolition of existing garage. Alterations and extensions to roof including enlargement of rear dormer window and insertion of 2no. rooflights to front roofslope. New rear patio and steps to garden. New front porch
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Progress
Application details
- Reference
- 26/0989/HSE
- Local authority
- Barnet
- Postcode
- NW4 2LB
- Ward
- HD22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 17 Mar 2026
- Validated
- 17 Mar 2026
- Target decision
- 12 May 2026
- Decided
- 2 Jun 2026
Estimated project value
£200k–£415k
Based on the 123m² 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: 122.7m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 21 SOUTHBOURNE CRESCENT, LONDON, NW4 2LBSemi-detached · £1,050,00010 months ago20 Oct 2025
- 17B SOUTHBOURNE CRESCENT, LONDON, NW4 2LBOther · Leasehold · Not a standard market sale · £885,0005 years ago23 Jun 2021
- 17 SOUTHBOURNE CRESCENT, LONDON, NW4 2LBOther · Not a standard market sale · £885,0005 years ago23 Jun 2021
- 17A SOUTHBOURNE CRESCENT, LONDON, NW4 2LBOther · Leasehold · Not a standard market sale · £885,0005 years ago23 Jun 2021
- 19 SOUTHBOURNE CRESCENT, LONDON, NW4 2LBSemi-detached · £900,0005 years ago11 Jan 2021
- 11 SOUTHBOURNE CRESCENT, LONDON, NW4 2LBSemi-detached · £875,0007 years ago31 Oct 2018
- 15 SOUTHBOURNE CRESCENT, LONDON, NW4 2LBSemi-detached · £500,00015 years ago8 Sept 2011
- 13 SOUTHBOURNE CRESCENT, LONDON, NW4 2LBSemi-detached · £478,00015 years ago23 May 2011
Homes here go for about £875,000 — the median of the last 5 market sales in NW4 2LB, £478,000 to £1,050,000.
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
- 21 Southbourne Crescent London Borough of Barnet NW4 2LBPermittedNext door
- 19 Southbourne Crescent London Borough of Barnet NW4 2LBRefusedNext door
- 19 Southbourne Crescent London Borough of Barnet NW4 2LBPermittedNext door
- London Borough of BarnetPermittedAdjoining
- 15 Southbourne Crescent London Borough of Barnet NW4 2LBPermittedAdjoining
- 15 Southbourne Crescent London Borough of Barnet NW4 2LBRefusedAdjoining