Data-backed planning intelligence · 2,650,000+ decisions analysed across England, Scotland and Wales

Annex approval rate in West Lancashire

West Lancashire approved 97.5% of annex applications, based on 40 decisions analysed.

Last updated: May 2026

97.5%
annex approval rate
40
Annex decisions
39
Approved
1
Refused
94.4%
West Lancashire overall

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

How annex compares in West Lancashire

Annex (40 decided)
97.5%
West Lancashire all applications (6,536 decided)
94.4%

Planning a annex in West Lancashire?

97.5% 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
Free planning check for West Lancashire →

Other project types in West Lancashire

Garage / Parking (959 decided)
97.6%
Rear Extension (837 decided)
99.2%
Extension (General) (753 decided)
94.4%
Side Extension (484 decided)
100.0%
Dormer (295 decided)
99.7%
92.8%
Outbuilding (279 decided)
97.1%
Conservatory (224 decided)
99.6%
New Build (210 decided)
97.1%
Loft Conversion (130 decided)
100.0%
Front Extension (82 decided)
100.0%
100.0%
HMO (23 decided)
100.0%
100.0%
Basement (12 decided)
100.0%
Check planning approval patterns — Free