Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Basement approval rate in Bristol

Bristol approved 90.1% of basement applications, based on 608 decisions analysed.

Last updated: March 2026

90.1%
basement approval rate
608
Basement decisions
548
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 (608 decided)
90.1%
Bristol all applications (24,529 decided)
86.9%

Planning a basement in Bristol?

90.1% get approved — but the odds vary by street. Your Pro Report 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
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Less than one set of revised drawings.

Other project types in Bristol

Rear Extension (5,501 decided)
90.9%
Garage / Parking (2,892 decided)
84.9%
Loft Conversion (2,661 decided)
88.6%
Dormer (2,553 decided)
90.8%
Side Extension (2,247 decided)
88.1%
Extension (General) (1,944 decided)
88.3%
80.0%
HMO (805 decided)
75.7%
Outbuilding (803 decided)
88.7%
New Build (711 decided)
72.7%
91.3%
Conservatory (554 decided)
92.6%
Wraparound Extension (421 decided)
94.1%
Annex (289 decided)
77.2%
Flat Conversion (240 decided)
72.9%
Front Extension (189 decided)
81.5%
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