Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Basement approval rate in Lancaster

Lancaster approved 86.7% of basement applications, based on 15 decisions analysed.

Last updated: September 2026

86.7%
basement approval rate
15
Basement decisions
13
Approved
2
Refused
86.3%
Lancaster overall

Basement applications are approved at roughly the same rate as the Lancaster average (86.3%).

How basement compares in Lancaster

Basement (15 decided)
86.7%
Lancaster all applications (1,758 decided)
86.3%

Planning a basement in Lancaster?

86.7% 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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Lancaster and any other published UK council — see the data services →

Other project types in Lancaster

Extension (General) (513 decided)
92.2%
Rear Extension (490 decided)
91.6%
Garage / Parking (369 decided)
91.3%
Dormer (275 decided)
88.7%
Side Extension (227 decided)
89.9%
Conservatory (186 decided)
96.2%
77.1%
New Build (155 decided)
89.0%
Outbuilding (131 decided)
89.3%
89.5%
Loft Conversion (49 decided)
85.7%
97.7%
Front Extension (22 decided)
90.9%
Flat Conversion (20 decided)
55.0%
Annex (14 decided)
85.7%
HMO (12 decided)
100.0%
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