Extension (General) approval rate in Brentwood
Brentwood approved 84.2% of extension (general) applications, based on 438 decisions analysed.
Last updated: June 2026
84.2%
extension (general) approval rate
438
Extension (General) decisions
369
Approved
69
Refused
83.9%
Brentwood overall
Extension (General) applications are approved at roughly the same rate as the Brentwood average (83.9%).
How extension (general) compares in Brentwood
Extension (General)
84.2%
Brentwood all applications
83.9%
Planning a extension (general) in Brentwood?
84.2% 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 Brentwood →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Brentwood
84.1%
83.5%
82.4%
73.9%
83.3%
86.4%
80.9%
71.6%
79.9%
77.0%
78.9%
81.6%
80.8%
67.4%
62.5%