Side Extension approval rate in Cheltenham
Cheltenham approved 96.9% of side extension applications, based on 1,366 decisions analysed.
Last updated: August 2026
96.9%
side extension approval rate
1,366
Side Extension decisions
1,323
Approved
43
Refused
96.0%
Cheltenham overall
Side Extension applications are approved at roughly the same rate as the Cheltenham average (96.0%).
How side extension compares in Cheltenham
Side Extension
96.9%
Cheltenham all applications
96.0%
Planning a side extension in Cheltenham?
96.9% 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 Cheltenham →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Cheltenham
98.0%
95.9%
96.3%
96.2%
96.0%
99.2%
92.8%
87.6%
96.3%
97.6%
96.5%
91.9%
96.0%
89.3%
85.2%