Side Extension approval rate in Chesterfield
Chesterfield approved 92.9% of side extension applications, based on 546 decisions analysed.
Last updated: June 2026
92.9%
side extension approval rate
546
Side Extension decisions
507
Approved
39
Refused
90.2%
Chesterfield overall
Side Extension applications are approved more often than the Chesterfield average (90.2%), suggesting the council is relatively receptive to these projects.
How side extension compares in Chesterfield
Side Extension
92.9%
Chesterfield all applications
90.2%
Planning a side extension in Chesterfield?
92.9% 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 Chesterfield →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Chesterfield
93.0%
88.7%
92.3%
82.5%
96.8%
83.8%
90.6%
91.2%
96.5%
90.9%
90.5%
93.1%
80.0%
81.8%