Side Extension approval rate in West Suffolk
West Suffolk approved 95.1% of side extension applications, based on 3,316 decisions analysed.
Last updated: September 2026
95.1%
side extension approval rate
3,316
Side Extension decisions
3,153
Approved
163
Refused
91.4%
West Suffolk overall
Side Extension applications are approved more often than the West Suffolk average (91.4%), suggesting the council is relatively receptive to these projects.
How side extension compares in West Suffolk
Side Extension
95.1%
West Suffolk all applications
91.4%
Planning a side extension in West Suffolk?
95.1% 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 West Suffolk →
✓ 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 West Suffolk and any other published UK council — see the data services →
Other project types in West Suffolk
90.5%
96.7%
95.0%
94.3%
83.9%
96.8%
94.8%
93.8%
94.9%
90.0%
95.9%
94.1%
97.0%
92.9%