Side Extension approval rate in Brighton & Hove
Brighton & Hove approved 94.2% of side extension applications, based on 155 decisions analysed.
Last updated: March 2026
94.2%
side extension approval rate
155
Side Extension decisions
146
Approved
9
Refused
89.8%
Brighton & Hove overall
Side Extension applications are approved more often than the Brighton & Hove average (89.8%), suggesting the council is relatively receptive to these projects.
How side extension compares in Brighton & Hove
Side Extension
94.2%
Brighton & Hove all applications
89.8%
Planning a side extension in Brighton & Hove?
94.2% get approved — but the odds vary by street. Your Pro Report 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
Get Brighton & Hove Pro Report — £79
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Brighton & Hove
93.7%
92.9%
88.6%
95.2%
90.9%
96.0%
95.6%
74.4%
84.7%
82.1%
93.8%
85.1%
72.7%
93.5%
85.0%