Side Extension approval rate in Bolton
Bolton approved 82.8% of side extension applications, based on 239 decisions analysed.
Last updated: September 2026
82.8%
side extension approval rate
239
Side Extension decisions
198
Approved
41
Refused
85.4%
Bolton overall
Side Extension applications are refused more often than the Bolton average (85.4%), suggesting the council scrutinises these projects more closely.
How side extension compares in Bolton
Side Extension
82.8%
Bolton all applications
85.4%
Planning a side extension in Bolton?
82.8% 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 Bolton →
✓ 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 Bolton and any other published UK council — see the data services →
Other project types in Bolton
81.6%
83.3%
85.1%
80.1%
91.2%
79.4%
76.8%
40.6%
73.8%
86.4%
73.3%
79.2%
64.3%
63.6%