Rear Extension approval rate in Knowsley

Knowsley approved 97.3% of rear extension applications, based on 1,385 decisions analysed.

Last updated: March 2026

97.3%

rear extension approval rate

1,385

Rear Extension decisions

1,348

Approved

Refused

94.5%

Knowsley overall

Rear Extension applications are approved more often than the Knowsley average (94.5%), suggesting the council is relatively receptive to these projects.

How rear extension compares in Knowsley

Rear Extension (1,385 decided)

97.3%

Knowsley all applications (4,280 decided)

94.5%

Planning a rear extension in Knowsley?

97.3% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Get Knowsley Pro Report — £79

Less than one set of revised drawings.