Data-backed planning intelligence · 3,790,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Flat Conversion approval rate in Middlesbrough

Middlesbrough approved 83.0% of flat conversion applications, based on 182 decisions analysed.

Last updated: August 2026

83.0%
flat conversion approval rate
182
Flat Conversion decisions
151
Approved
31
Refused
92.3%
Middlesbrough overall

Flat Conversion applications are refused more often than the Middlesbrough average (92.3%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in Middlesbrough

Flat Conversion (182 decided)
83.0%
Middlesbrough all applications (18,781 decided)
92.3%

Planning a flat conversion in Middlesbrough?

83.0% 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 flat conversion approval rate
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
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Other project types in Middlesbrough

Extension (General) (6,070 decided)
92.7%
Garage / Parking (2,527 decided)
91.1%
Conservatory (1,725 decided)
97.4%
86.1%
New Build (733 decided)
85.3%
Dormer (668 decided)
83.7%
Rear Extension (546 decided)
90.3%
Side Extension (374 decided)
89.6%
Outbuilding (265 decided)
92.5%
HMO (142 decided)
78.9%
Loft Conversion (83 decided)
90.4%
Front Extension (59 decided)
84.7%
Annex (59 decided)
79.7%
84.0%
Basement (17 decided)
94.1%
58.3%
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