Rear Extension approval rate in Calderdale
Calderdale approved 88.8% of rear extension applications, based on 1,385 decisions analysed.
Last updated: September 2026
88.8%
rear extension approval rate
1,385
Rear Extension decisions
1,230
Approved
155
Refused
85.5%
Calderdale overall
Rear Extension applications are approved more often than the Calderdale average (85.5%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Calderdale
Rear Extension
88.8%
Calderdale all applications
85.5%
Planning a rear extension in Calderdale?
88.8% 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 Calderdale →
✓ 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 Calderdale and any other published UK council — see the data services →
Other project types in Calderdale
88.9%
83.1%
88.5%
80.3%
86.3%
93.2%
87.8%
86.0%
86.1%
73.3%
84.5%
92.3%
76.1%
86.8%
87.9%