Dormer approval rate in East Hertfordshire
East Hertfordshire approved 74.1% of dormer applications, based on 1,697 decisions analysed.
Last updated: September 2026
74.1%
dormer approval rate
1,697
Dormer decisions
1,258
Approved
439
Refused
74.6%
East Hertfordshire overall
Dormer applications are approved at roughly the same rate as the East Hertfordshire average (74.6%).
How dormer compares in East Hertfordshire
Dormer
74.1%
East Hertfordshire all applications
74.6%
Planning a dormer in East Hertfordshire?
74.1% 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 East Hertfordshire →
✓ 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 East Hertfordshire and any other published UK council — see the data services →
Other project types in East Hertfordshire
78.8%
71.4%
74.2%
74.4%
62.5%
82.7%
75.1%
75.5%
75.4%
78.1%
64.2%
73.2%
71.0%
63.4%
70.0%