Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Outbuilding approval rate in Bolton

Bolton approved 75.0% of outbuilding applications, based on 60 decisions analysed.

Last updated: August 2026

75.0%
outbuilding approval rate
60
Outbuilding decisions
45
Approved
15
Refused
85.5%
Bolton overall

Outbuilding applications are refused more often than the Bolton average (85.5%), suggesting the council scrutinises these projects more closely.

How outbuilding compares in Bolton

Outbuilding (60 decided)
75.0%
Bolton all applications (4,833 decided)
85.5%

Planning a outbuilding in Bolton?

75.0% 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 outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Bolton →

Other project types in Bolton

Extension (General) (976 decided)
81.7%
Garage / Parking (421 decided)
83.8%
Rear Extension (348 decided)
85.3%
68.5%
New Build (265 decided)
81.1%
Side Extension (223 decided)
82.5%
Conservatory (175 decided)
92.0%
Dormer (170 decided)
79.4%
HMO (68 decided)
41.2%
Front Extension (66 decided)
75.8%
85.7%
Loft Conversion (30 decided)
73.3%
Flat Conversion (24 decided)
79.2%
Basement (13 decided)
61.5%
Annex (11 decided)
63.6%
Check planning approval patterns, Free