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

Basement approval rate in Bristol

Bristol approved 90.6% of basement applications, based on 635 decisions analysed.

Last updated: August 2026

90.6%
basement approval rate
635
Basement decisions
575
Approved
60
Refused
86.9%
Bristol overall

Basement applications are approved more often than the Bristol average (86.9%), suggesting the council is relatively receptive to these projects.

How basement compares in Bristol

Basement (635 decided)
90.6%
Bristol all applications (25,943 decided)
86.9%

Planning a basement in Bristol?

90.6% 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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Other project types in Bristol

Rear Extension (5,724 decided)
90.7%
Garage / Parking (3,029 decided)
84.7%
Loft Conversion (2,771 decided)
88.4%
Dormer (2,662 decided)
90.6%
Side Extension (2,321 decided)
87.9%
Extension (General) (2,022 decided)
88.3%
79.6%
HMO (871 decided)
75.5%
Outbuilding (855 decided)
88.8%
New Build (734 decided)
72.3%
91.1%
Conservatory (576 decided)
92.0%
Wraparound Extension (437 decided)
93.8%
Annex (311 decided)
76.5%
Flat Conversion (246 decided)
73.6%
Front Extension (201 decided)
81.1%
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