Side Extension approval rate in Eastleigh
Eastleigh approved 85.8% of side extension applications, based on 3,846 decisions analysed.
Last updated: September 2026
85.8%
side extension approval rate
3,846
Side Extension decisions
3,299
Approved
547
Refused
85.7%
Eastleigh overall
Side Extension applications are approved at roughly the same rate as the Eastleigh average (85.7%).
How side extension compares in Eastleigh
Side Extension
85.8%
Eastleigh all applications
85.7%
Planning a side extension in Eastleigh?
85.8% 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 Eastleigh →
✓ 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 Eastleigh and any other published UK council — see the data services →
Other project types in Eastleigh
88.1%
80.4%
92.8%
78.8%
81.4%
73.9%
86.3%
86.3%
85.6%
83.9%
75.9%
80.5%
83.3%
84.0%
77.8%