Side Extension approval rate in Cheltenham
Cheltenham approved 96.9% of side extension applications, based on 1,309 decisions analysed.
Last updated: March 2026
96.9%
side extension approval rate
1,309
Side Extension decisions
1,268
Approved
41
Refused
95.9%
Cheltenham overall
Side Extension applications are approved at roughly the same rate as the Cheltenham average (95.9%).
How side extension compares in Cheltenham
Side Extension
96.9%
Cheltenham all applications
95.9%
Planning a side extension in Cheltenham?
96.9% 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
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✓ 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 Cheltenham
98.0%
95.7%
96.2%
96.1%
96.0%
99.2%
92.6%
87.1%
96.7%
97.8%
96.4%
91.5%
95.9%
89.3%
87.5%