Data-backed planning intelligence · 3,790,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in West Lothian

West Lothian approved 85.0% of side extension applications, based on 40 decisions analysed.

Last updated: August 2026

85.0%
side extension approval rate
40
Side Extension decisions
34
Approved
6
Refused
90.7%
West Lothian overall

Side Extension applications are refused more often than the West Lothian average (90.7%), suggesting the council scrutinises these projects more closely.

How side extension compares in West Lothian

Side Extension (40 decided)
85.0%
West Lothian all applications (13,717 decided)
90.7%

Planning a side extension in West Lothian?

85.0% 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 side extension approval rate
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Other project types in West Lothian

Extension (General) (3,945 decided)
95.3%
Garage / Parking (1,715 decided)
91.6%
85.5%
New Build (667 decided)
84.9%
Dormer (493 decided)
88.6%
Outbuilding (481 decided)
89.2%
Conservatory (395 decided)
97.0%
Rear Extension (87 decided)
95.4%
Annex (43 decided)
86.0%
Flat Conversion (22 decided)
95.5%
Loft Conversion (15 decided)
93.3%
Basement (12 decided)
83.3%
100.0%
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