Side Extension approval rate in Bolton
Bolton approved 85.7% of side extension applications, based on 91 decisions analysed.
Last updated: March 2026
85.7%
side extension approval rate
91
Side Extension decisions
78
Approved
13
Refused
87.8%
Bolton overall
Side Extension applications are refused more often than the Bolton average (87.8%), suggesting the council scrutinises these projects more closely.
How side extension compares in Bolton
Side Extension
85.7%
Bolton all applications
87.8%
Planning a side extension in Bolton?
85.7% get approved — but the odds vary by street. Your Pro Report 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
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✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Bolton
82.8%
89.1%
88.1%
87.9%
93.9%
82.7%
78.6%
71.4%
81.0%
76.5%
93.8%
83.3%