Side Extension approval rate in East Hertfordshire
East Hertfordshire approved 74.1% of side extension applications, based on 3,015 decisions analysed.
Last updated: June 2026
74.1%
side extension approval rate
3,015
Side Extension decisions
2,233
Approved
782
Refused
73.5%
East Hertfordshire overall
Side Extension applications are approved at roughly the same rate as the East Hertfordshire average (73.5%).
How side extension compares in East Hertfordshire
Side Extension
74.1%
East Hertfordshire all applications
73.5%
Planning a side extension 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for East Hertfordshire →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in East Hertfordshire
78.7%
71.1%
73.8%
74.4%
62.3%
74.9%
82.7%
75.3%
75.4%
78.2%
63.6%
72.2%
70.9%
62.5%
68.4%