Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Annex approval rate in Eastleigh

Eastleigh approved 75.9% of annex applications, based on 237 decisions analysed.

Last updated: September 2026

75.9%
annex approval rate
237
Annex decisions
180
Approved
57
Refused
85.7%
Eastleigh overall

Annex applications are refused more often than the Eastleigh average (85.7%), suggesting the council scrutinises these projects more closely.

How annex compares in Eastleigh

Annex (237 decided)
75.9%
Eastleigh all applications (16,406 decided)
85.7%

Planning a annex in Eastleigh?

75.9% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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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

Rear Extension (5,814 decided)
88.1%
Garage / Parking (4,548 decided)
80.4%
Side Extension (3,846 decided)
85.8%
Conservatory (1,689 decided)
92.8%
Dormer (1,563 decided)
78.8%
Front Extension (1,131 decided)
81.4%
New Build (1,043 decided)
73.9%
80.7%
Extension (General) (860 decided)
86.3%
Outbuilding (787 decided)
86.3%
Wraparound Extension (543 decided)
85.6%
Loft Conversion (447 decided)
83.9%
80.5%
HMO (66 decided)
83.3%
Basement (50 decided)
84.0%
Flat Conversion (27 decided)
77.8%
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