Side Extension approval rate in North Hertfordshire
North Hertfordshire approved 93.5% of side extension applications, based on 170 decisions analysed.
Last updated: June 2026
93.5%
side extension approval rate
170
Side Extension decisions
159
Approved
11
Refused
93.4%
North Hertfordshire overall
Side Extension applications are approved at roughly the same rate as the North Hertfordshire average (93.4%).
How side extension compares in North Hertfordshire
Side Extension
93.5%
North Hertfordshire all applications
93.4%
Planning a side extension in North Hertfordshire?
93.5% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for North Hertfordshire →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in North Hertfordshire
93.9%
89.8%
79.8%
92.3%
89.2%
90.7%
93.2%
90.2%
82.4%
92.6%
83.3%
90.0%