Annex approval rate in Knowsley

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

Last updated: August 2026

96.6%

annex approval rate

Annex decisions

Approved

Refused

94.4%

Knowsley overall

Annex applications are approved more often than the Knowsley average (94.4%), suggesting the council is relatively receptive to these projects.

How annex compares in Knowsley

Annex (29 decided)

96.6%

Knowsley all applications (4,478 decided)

94.4%

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 (1,441 decided)

97.4%

Side Extension (1,115 decided)

97.3%

95.9%

New Build (659 decided)

91.8%

99.4%

98.6%

95.3%

90.3%

Dormer (171 decided)

93.0%

Outbuilding (166 decided)

97.6%

Conservatory (161 decided)

97.5%

92.6%

96.7%