Side Extension approval rate in Calderdale
Calderdale approved 88.5% of side extension applications, based on 1,215 decisions analysed.
Last updated: June 2026
88.5%
side extension approval rate
1,215
Side Extension decisions
1,075
Approved
140
Refused
87.6%
Calderdale overall
Side Extension applications are approved at roughly the same rate as the Calderdale average (87.6%).
How side extension compares in Calderdale
Side Extension
88.5%
Calderdale all applications
87.6%
Planning a side extension in Calderdale?
88.5% 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 Calderdale →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Calderdale
88.9%
83.0%
88.9%
81.0%
86.7%
93.3%
87.3%
85.9%
85.6%
73.2%
84.8%
92.2%
76.7%
89.2%
87.5%