Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Eastleigh

Eastleigh approved 85.6% of side extension applications, based on 3,796 decisions analysed.

Last updated: June 2026

85.6%
side extension approval rate
3,796
Side Extension decisions
3,249
Approved
547
Refused
80.6%
Eastleigh overall

Side Extension applications are approved more often than the Eastleigh average (80.6%), suggesting the council is relatively receptive to these projects.

How side extension compares in Eastleigh

Side Extension (3,796 decided)
85.6%
Eastleigh all applications (25,024 decided)
80.6%

Planning a side extension in Eastleigh?

85.6% 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
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Other project types in Eastleigh

Rear Extension (5,628 decided)
87.7%
Garage / Parking (4,483 decided)
80.1%
Conservatory (1,658 decided)
92.7%
Dormer (1,455 decided)
77.3%
Front Extension (1,129 decided)
81.4%
New Build (1,033 decided)
73.7%
80.2%
Extension (General) (841 decided)
86.0%
Outbuilding (756 decided)
85.7%
Wraparound Extension (536 decided)
85.4%
Loft Conversion (355 decided)
79.7%
Annex (222 decided)
74.3%
74.4%
HMO (51 decided)
78.4%
Basement (49 decided)
83.7%
Flat Conversion (27 decided)
77.8%
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