Side Extension approval rate in Birmingham
Birmingham approved – of side extension applications, based on 5,640 decisions analysed.
Last updated: September 2026
–%
side extension approval rate
5,640
Side Extension decisions
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Approved
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Refused
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Birmingham overall
Side Extension applications are approved at roughly the same rate as the Birmingham average (–).
How side extension compares in Birmingham
Side Extension
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Birmingham all applications
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Planning a side extension 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Birmingham →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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
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