Data-backed planning intelligence · 3,820,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Outbuilding approval rate in Birmingham

Birmingham approved of outbuilding applications, based on 757 decisions analysed.

Last updated: September 2026

%
outbuilding approval rate
757
Outbuilding decisions
Approved
Refused
Birmingham overall

Outbuilding applications are approved at roughly the same rate as the Birmingham average (–).

How outbuilding compares in Birmingham

Outbuilding (757 decided)
Birmingham all applications (29,760 decided)

Planning a outbuilding in Birmingham?

– 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 outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Birmingham →

Planning professional? PlanningLens runs refusal alerts and evidence packs for Birmingham and any other published UK council — see the data services →

Other project types in Birmingham

Rear Extension (13,250 decided)
Side Extension (5,640 decided)
New Build (3,721 decided)
Dormer (2,363 decided)
Wraparound Extension (1,842 decided)
Garage / Parking (1,578 decided)
Front Extension (1,556 decided)
HMO (1,002 decided)
Loft Conversion (792 decided)
Extension (General) (650 decided)
Flat Conversion (297 decided)
Conservatory (166 decided)
Basement (127 decided)
Annex (91 decided)
Check planning approval patterns, Free