Dormer approval rate in Stevenage
Stevenage approved 90.5% of dormer applications, based on 137 decisions analysed.
Last updated: September 2026
90.5%
dormer approval rate
137
Dormer decisions
124
Approved
13
Refused
94.0%
Stevenage overall
Dormer applications are refused more often than the Stevenage average (94.0%), suggesting the council scrutinises these projects more closely.
How dormer compares in Stevenage
Dormer
90.5%
Stevenage all applications
94.0%
Planning a dormer in Stevenage?
90.5% 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 dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Stevenage →
✓ 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 Stevenage and any other published UK council — see the data services →
Other project types in Stevenage
94.0%
92.1%
95.8%
91.6%
88.1%
98.4%
91.1%
96.3%
92.2%
98.9%
90.9%
73.3%