Side Extension approval rate in Winchester

Winchester approved 97.5% of side extension applications, based on 525 decisions analysed.

Last updated: March 2026

97.5%

side extension approval rate

525

Side Extension decisions

512

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 (525 decided)

97.5%

Winchester all applications (6,515 decided)

94.9%

Planning a side extension in Winchester?

97.5% 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 Winchester Pro Report — £79

Less than one set of revised drawings.