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Annex approval rate in West Lancashire

West Lancashire approved 97.6% of annex applications, based on 42 decisions analysed.

Last updated: June 2026

97.6%
annex approval rate
42
Annex decisions
41
Approved
1
Refused
94.5%
West Lancashire overall

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

How annex compares in West Lancashire

Annex (42 decided)
97.6%
West Lancashire all applications (6,826 decided)
94.5%

Planning a annex in West Lancashire?

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Other project types in West Lancashire

Garage / Parking (1,002 decided)
97.6%
Rear Extension (881 decided)
99.2%
Extension (General) (783 decided)
94.4%
Side Extension (509 decided)
100.0%
Dormer (310 decided)
99.7%
93.1%
Outbuilding (295 decided)
96.9%
Conservatory (232 decided)
99.6%
New Build (220 decided)
96.8%
Loft Conversion (136 decided)
100.0%
Front Extension (90 decided)
100.0%
100.0%
HMO (23 decided)
100.0%
100.0%
Basement (13 decided)
100.0%
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