Side Extension approval rate in Dorset

Dorset approved 95.3% of side extension applications, based on 363 decisions analysed.

Last updated: March 2026

95.3%

side extension approval rate

363

Side Extension decisions

346

Approved

Refused

92.4%

Dorset overall

Side Extension applications are approved more often than the Dorset average (92.4%), suggesting the council is relatively receptive to these projects.

How side extension compares in Dorset

Side Extension (363 decided)

95.3%

Dorset all applications (8,267 decided)

92.4%

Planning a side extension in Dorset?

95.3% 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

Get Dorset Pro Report — £79

Less than one set of revised drawings.