Side Extension approval rate in Halton
Halton approved 97.2% of side extension applications, based on 388 decisions analysed.
Last updated: August 2026
97.2%
side extension approval rate
388
Side Extension decisions
377
Approved
11
Refused
96.4%
Halton overall
Side Extension applications are approved at roughly the same rate as the Halton average (96.4%).
How side extension compares in Halton
Side Extension
97.2%
Halton all applications
96.4%
Planning a side extension in Halton?
97.2% 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
98.2%
97.1%
96.0%
98.9%
91.1%
97.0%
95.2%
100.0%
100.0%
94.0%
72.2%