Side Extension approval rate in Kingston
Kingston approved 77.5% of side extension applications, based on 3,586 decisions analysed.
Last updated: September 2026
77.5%
side extension approval rate
3,586
Side Extension decisions
2,778
Approved
808
Refused
78.5%
Kingston overall
Side Extension applications are approved at roughly the same rate as the Kingston average (78.5%).
How side extension compares in Kingston
Side Extension
77.5%
Kingston all applications
78.5%
Planning a side extension in Kingston?
77.5% 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 Kingston →
✓ 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 Kingston and any other published UK council — see the data services →
Other project types in Kingston
75.8%
79.0%
75.8%
76.5%
77.3%
77.2%
78.2%
80.9%
80.7%
75.7%
81.0%
81.3%
64.7%
72.4%
76.5%