Side Extension approval rate in Brent
Brent approved 74.3% of side extension applications, based on 5,155 decisions analysed.
Last updated: September 2026
74.3%
side extension approval rate
5,155
Side Extension decisions
3,830
Approved
1,325
Refused
74.8%
Brent overall
Side Extension applications are approved at roughly the same rate as the Brent average (74.8%).
How side extension compares in Brent
Side Extension
74.3%
Brent all applications
74.8%
Planning a side extension in Brent?
74.3% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Brent →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Brent and any other published UK council — see the data services →
Other project types in Brent
72.6%
79.2%
75.5%
73.3%
71.9%
75.4%
66.5%
78.8%
83.6%
76.9%
78.2%
64.3%
44.5%
76.4%
48.6%