Side Extension approval rate in York
York approved 93.1% of side extension applications, based on 1,746 decisions analysed.
Last updated: September 2026
93.1%
side extension approval rate
1,746
Side Extension decisions
1,626
Approved
120
Refused
89.1%
York overall
Side Extension applications are approved more often than the York average (89.1%), suggesting the council is relatively receptive to these projects.
How side extension compares in York
Side Extension
93.1%
York all applications
89.1%
Planning a side extension in York?
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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for York →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for York and any other published UK council — see the data services →
Other project types in York
93.9%
90.1%
88.5%
88.5%
94.7%
75.4%
92.4%
88.2%
84.3%
96.0%
90.1%
92.5%
85.3%
87.4%
63.0%