Rear Extension approval rate in East Hertfordshire
East Hertfordshire approved 78.8% of rear extension applications, based on 5,454 decisions analysed.
Last updated: September 2026
78.8%
rear extension approval rate
5,454
Rear Extension decisions
4,299
Approved
1,155
Refused
74.6%
East Hertfordshire overall
Rear Extension applications are approved more often than the East Hertfordshire average (74.6%), suggesting the council is relatively receptive to these projects.
How rear extension compares in East Hertfordshire
Rear Extension
78.8%
East Hertfordshire all applications
74.6%
Planning a rear extension in East Hertfordshire?
78.8% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for East Hertfordshire →
✓ Nearest comparable rear extension 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
71.4%
74.2%
74.1%
74.4%
62.5%
82.7%
75.1%
75.5%
75.4%
78.1%
64.2%
73.2%
71.0%
63.4%
70.0%