Rear Extension approval rate in Bromley
Bromley approved 82.3% of rear extension applications, based on 10,936 decisions analysed.
Last updated: September 2026
82.3%
rear extension approval rate
10,936
Rear Extension decisions
8,998
Approved
1,938
Refused
79.8%
Bromley overall
Rear Extension applications are approved more often than the Bromley average (79.8%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Bromley
Rear Extension
82.3%
Bromley all applications
79.8%
Planning a rear extension in Bromley?
82.3% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Bromley →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Bromley and any other published UK council — see the data services →
Other project types in Bromley
79.2%
78.1%
79.0%
79.7%
73.2%
77.1%
80.6%
77.5%
78.4%
84.2%
79.1%
80.4%
74.2%
62.1%
57.8%