17 Colindeep Lane London Borough of Barnet NW9 6DU
Erection of a rear outbuilding
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Progress
Application details
- Reference
- 26/0239/192
- Local authority
- Barnet
- Postcode
- NW9 6DU
- Ward
- CS22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 22 Jan 2026
- Validated
- 22 Jan 2026
- Target decision
- 19 Mar 2026
- Decided
- 18 Feb 2026
Estimated project value
£11k–£41k
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: trade estimate.
Floor area gained: 34.8m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 33 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · Not a standard market sale · £570,00011 months ago26 Nov 2025
- 17 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £590,0006 years ago17 Jan 2020
- 17 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £350,00018 years ago22 Feb 2008
- 27 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £320,00021 years ago3 Dec 2004
- 17 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £235,00024 years ago12 Feb 2002
- 25 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £163,00025 years ago23 Feb 2001
- 27 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £159,95027 years ago3 Sept 1999
- 29 COLINDEEP LANE, LONDON, NW9 6DUSemi-detached · £130,50028 years ago1 Sept 1998
Homes here go for about £235,000 — the median of the last 7 market sales in NW9 6DU, £130,500 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
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