Side Extension approval rate in North Hertfordshire
North Hertfordshire approved 93.7% of side extension applications, based on 237 decisions analysed.
Last updated: August 2026
93.7%
side extension approval rate
237
Side Extension decisions
222
Approved
15
Refused
93.7%
North Hertfordshire overall
Side Extension applications are approved at roughly the same rate as the North Hertfordshire average (93.7%).
How side extension compares in North Hertfordshire
Side Extension
93.7%
North Hertfordshire all applications
93.7%
Planning a side extension in North Hertfordshire?
93.7% 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
93.5%
90.1%
94.1%
83.2%
89.0%
89.2%
93.1%
89.0%
81.4%
91.4%
79.3%
87.5%
92.9%