Extension (General) approval rate in Brentwood
Brentwood approved 84.1% of extension (general) applications, based on 441 decisions analysed.
Last updated: August 2026
84.1%
extension (general) approval rate
441
Extension (General) decisions
371
Approved
70
Refused
84.0%
Brentwood overall
Extension (General) applications are approved at roughly the same rate as the Brentwood average (84.0%).
How extension (general) compares in Brentwood
Extension (General)
84.1%
Brentwood all applications
84.0%
Planning a extension (general) in Brentwood?
84.1% 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
84.2%
83.5%
82.4%
74.2%
83.4%
81.1%
86.4%
71.8%
79.9%
77.1%
79.1%
82.0%
81.0%
67.4%
58.8%