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

Annex approval rate in Solihull

Solihull approved 87.2% of annex applications, based on 39 decisions analysed.

Last updated: June 2026

87.2%
annex approval rate
39
Annex decisions
34
Approved
5
Refused
92.5%
Solihull overall

Annex applications are refused more often than the Solihull average (92.5%), suggesting the council scrutinises these projects more closely.

How annex compares in Solihull

Annex (39 decided)
87.2%
Solihull all applications (5,467 decided)
92.5%

Planning a annex in Solihull?

87.2% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Solihull →

Other project types in Solihull

Rear Extension (1,620 decided)
91.7%
Garage / Parking (953 decided)
93.0%
Side Extension (905 decided)
95.1%
Extension (General) (537 decided)
95.9%
Front Extension (364 decided)
95.9%
Dormer (305 decided)
93.4%
Loft Conversion (234 decided)
91.5%
Outbuilding (221 decided)
92.3%
Conservatory (196 decided)
93.9%
82.1%
Wraparound Extension (163 decided)
94.5%
New Build (152 decided)
84.9%
87.8%
Basement (12 decided)
91.7%
Check planning approval patterns, Free