Side Extension approval rate in Wiltshire
Wiltshire approved 94.4% of side extension applications, based on 9,709 decisions analysed.
Last updated: September 2026
94.4%
side extension approval rate
9,709
Side Extension decisions
9,162
Approved
547
Refused
89.5%
Wiltshire overall
Side Extension applications are approved more often than the Wiltshire average (89.5%), suggesting the council is relatively receptive to these projects.
How side extension compares in Wiltshire
Side Extension
94.4%
Wiltshire all applications
89.5%
Planning a side extension in Wiltshire?
94.4% 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 Wiltshire →
✓ 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 Wiltshire and any other published UK council — see the data services →
Other project types in Wiltshire
92.1%
88.3%
94.5%
95.7%
92.2%
76.9%
91.5%
88.1%
91.1%
95.6%
94.8%
92.7%
83.7%
92.7%
84.5%