Dormer approval rate in Westminster
Westminster approved 86.0% of dormer applications, based on 1,280 decisions analysed.
Last updated: September 2026
86.0%
dormer approval rate
1,280
Dormer decisions
1,101
Approved
179
Refused
90.5%
Westminster overall
Dormer applications are refused more often than the Westminster average (90.5%), suggesting the council scrutinises these projects more closely.
How dormer compares in Westminster
Dormer
86.0%
Westminster all applications
90.5%
Planning a dormer in Westminster?
86.0% 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 dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Westminster →
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Westminster and any other published UK council — see the data services →
Other project types in Westminster
92.8%
91.0%
87.6%
88.4%
93.5%
92.6%
88.3%
90.0%
96.4%
87.9%
73.6%
93.7%
87.3%
80.0%