Annex approval rate in Knowsley

Knowsley approved 96.6% of annex applications, based on 29 decisions analysed.

Last updated: June 2026

96.6%

annex approval rate

Annex decisions

Approved

Refused

94.5%

Knowsley overall

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

How annex compares in Knowsley

Annex (29 decided)

96.6%

Knowsley all applications (4,419 decided)

94.5%

96.6% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Rear Extension (1,425 decided)

97.3%

Side Extension (1,106 decided)

97.3%

96.0%

New Build (651 decided)

92.2%

99.4%

98.6%

95.2%

90.2%

Dormer (169 decided)

92.9%

Outbuilding (164 decided)

98.2%

Conservatory (158 decided)

97.5%

92.5%

96.4%