Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Dormer approval rate in Test Valley

Test Valley approved 91.9% of dormer applications, based on 173 decisions analysed.

Last updated: August 2026

91.9%
dormer approval rate
173
Dormer decisions
159
Approved
14
Refused
91.4%
Test Valley overall

Dormer applications are approved at roughly the same rate as the Test Valley average (91.4%).

How dormer compares in Test Valley

Dormer (173 decided)
91.9%
Test Valley all applications (6,063 decided)
91.4%

Planning a dormer in Test Valley?

91.9% 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 dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Other project types in Test Valley

Garage / Parking (969 decided)
90.7%
Rear Extension (766 decided)
94.5%
Side Extension (425 decided)
95.3%
Outbuilding (377 decided)
91.2%
Extension (General) (359 decided)
91.6%
Conservatory (280 decided)
96.4%
New Build (266 decided)
80.8%
81.6%
Front Extension (124 decided)
95.2%
Annex (103 decided)
88.3%
Loft Conversion (64 decided)
92.2%
98.1%
Basement (23 decided)
87.0%
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