Side Extension approval rate in Dorset
Dorset approved 94.1% of side extension applications, based on 1,131 decisions analysed.
Last updated: September 2026
94.1%
side extension approval rate
1,131
Side Extension decisions
1,064
Approved
67
Refused
92.3%
Dorset overall
Side Extension applications are approved at roughly the same rate as the Dorset average (92.3%).
How side extension compares in Dorset
Side Extension
94.1%
Dorset all applications
92.3%
Planning a side extension in Dorset?
94.1% 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 Dorset →
✓ 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 Dorset and any other published UK council — see the data services →
Other project types in Dorset
91.3%
93.7%
94.3%
91.8%
92.3%
97.1%
83.3%
88.7%
94.1%
95.9%
95.8%
88.5%
90.9%
91.3%
64.7%