Side Extension approval rate in Lancaster
Lancaster approved 89.9% of side extension applications, based on 227 decisions analysed.
Last updated: September 2026
89.9%
side extension approval rate
227
Side Extension decisions
204
Approved
23
Refused
86.3%
Lancaster overall
Side Extension applications are approved more often than the Lancaster average (86.3%), suggesting the council is relatively receptive to these projects.
How side extension compares in Lancaster
Side Extension
89.9%
Lancaster all applications
86.3%
Planning a side extension in Lancaster?
89.9% 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
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Lancaster →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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
92.2%
91.6%
91.3%
88.7%
96.2%
89.0%
89.3%
89.5%
85.7%
97.7%
90.9%
55.0%
86.7%
85.7%
100.0%