21 Colindale Avenue London Borough of Barnet NW9 5DS
Erection of a single storey rear extension and reconfiguration of the internal layout of the commercial unit, including partial alteration of the existing single storey roof to form two internal courtyards with associated flank door openings and 2no rooflights
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Progress
Application details
- Reference
- 26/0607/FUL
- Local authority
- Barnet
- Postcode
- NW9 5DS
- Ward
- CS22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 4 Mar 2026
- Validated
- 4 Mar 2026
- Target decision
- 29 Apr 2026
- Decided
- 28 Apr 2026
Estimated project value
£47k–£78k
Based on the 19.2m² 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: 19.2m²
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.
- 19 COLINDALE AVENUE, LONDON, NW9 5DSOther · Not a standard market sale · £2,100,00010 years ago26 Apr 2016
- 29A COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · Leasehold · £167,00022 years ago16 Sept 2003
- 23A COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · Leasehold · £130,00023 years ago31 Oct 2002
- 27A COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · Leasehold · £117,00024 years ago30 Nov 2001
- 23 COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · £146,00025 years ago15 Mar 2001
- 23 COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · £85,00026 years ago5 May 2000
- 27A COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · Leasehold · £82,00026 years ago14 Jan 2000
- 27A COLINDALE AVENUE, LONDON, NW9 5DSFlat or maisonette · Leasehold · £67,50027 years ago15 Dec 1998
Homes here go for about £117,000 — the median of the last 7 market sales in NW9 5DS, £67,500 to £167,000.
Contains HM Land Registry data © Crown copyright and database right 2016. 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
- London Borough of BarnetRefusedNext door
- 21 Colindale Avenue London Borough of Barnet NW9 5DSPermittedNext door
- 19 Colindale Avenue Barnet NW9 5DSPermittedNext door
- 21 Colindale Avenue Barnet NW9 5DSPermittedNext door
- 19 Colindale Avenue London Borough of Barnet NW9 5DSPermittedNext door
- 13, 17 Colindale Avenue London Borough of Barnet NW9 5DSWithdrawnAdjoining