Side Extension approval rate in Winchester

Winchester approved 97.1% of side extension applications, based on 561 decisions analysed.

Last updated: August 2026

97.1%

side extension approval rate

561

Side Extension decisions

545

Approved

Refused

94.9%

Winchester overall

Side Extension applications are approved more often than the Winchester average (94.9%), suggesting the council is relatively receptive to these projects.

How side extension compares in Winchester

Side Extension (561 decided)

97.1%

Winchester all applications (7,039 decided)

94.9%

Planning a side extension in Winchester?

97.1% 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 Winchester →