Side Extension approval rate in Buckinghamshire

Buckinghamshire approved 88.2% of side extension applications, based on 4,548 decisions analysed.

Last updated: March 2026

88.2%

side extension approval rate

4,548

Side Extension decisions

4,011

Approved

537

Refused

85.3%

Buckinghamshire overall

Side Extension applications are approved more often than the Buckinghamshire average (85.3%), suggesting the council is relatively receptive to these projects.

How side extension compares in Buckinghamshire

Side Extension (4,548 decided)

88.2%

Buckinghamshire all applications (25,538 decided)

85.3%

Planning a side extension in Buckinghamshire?

88.2% 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 Buckinghamshire Pro Report — £79

Less than one set of revised drawings.