Rear Extension approval rate in Chesterfield
Chesterfield approved 93.1% of rear extension applications, based on 845 decisions analysed.
Last updated: September 2026
93.1%
rear extension approval rate
845
Rear Extension decisions
787
Approved
58
Refused
91.1%
Chesterfield overall
Rear Extension applications are approved at roughly the same rate as the Chesterfield average (91.1%).
How rear extension compares in Chesterfield
Rear Extension
93.1%
Chesterfield all applications
91.1%
Planning a rear extension in Chesterfield?
93.1% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Chesterfield →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Chesterfield and any other published UK council — see the data services →
Other project types in Chesterfield
88.5%
93.0%
92.1%
82.4%
96.8%
83.7%
90.7%
90.6%
96.5%
91.2%
90.5%
93.1%
80.0%
81.8%