Side Extension approval rate in Halton
Halton approved 97.0% of side extension applications, based on 302 decisions analysed.
Last updated: June 2026
97.0%
side extension approval rate
302
Side Extension decisions
293
Approved
9
Refused
96.1%
Halton overall
Side Extension applications are approved at roughly the same rate as the Halton average (96.1%).
How side extension compares in Halton
Side Extension
97.0%
Halton all applications
96.1%
Planning a side extension in Halton?
97.0% 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 Halton →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Halton
98.3%
96.5%
94.9%
98.5%
88.9%
100.0%
96.1%
95.8%
100.0%
91.9%
71.4%