Extension (General) approval rate in Barnet
Barnet approved 82.2% of extension (general) applications, based on 1,292 decisions analysed.
Last updated: September 2026
82.2%
extension (general) approval rate
1,292
Extension (General) decisions
1,062
Approved
230
Refused
81.6%
Barnet overall
Extension (General) applications are approved at roughly the same rate as the Barnet average (81.6%).
How extension (general) compares in Barnet
Extension (General)
82.2%
Barnet all applications
81.6%
Planning a extension (general) in Barnet?
82.2% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.
✓ Your ward's extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Barnet →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Barnet and any other published UK council — see the data services →
Other project types in Barnet
75.7%
82.3%
81.0%
80.7%
81.5%
76.2%
81.8%
78.0%
80.1%
83.0%
81.7%
78.7%
81.2%
43.9%
72.0%