Rear Extension approval rate in Knowsley
Knowsley approved 97.4% of rear extension applications, based on 1,441 decisions analysed.
Last updated: August 2026
97.4%
rear extension approval rate
1,441
Rear Extension decisions
1,403
Approved
38
Refused
94.4%
Knowsley overall
Rear Extension applications are approved more often than the Knowsley average (94.4%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Knowsley
Rear Extension
97.4%
Knowsley all applications
94.4%
Planning a rear extension in Knowsley?
97.4% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Knowsley
97.3%
95.9%
91.8%
99.4%
98.6%
95.3%
93.0%
97.6%
97.5%
92.6%
96.7%
96.6%