Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Basement approval rate in North Hertfordshire

North Hertfordshire approved 92.9% of basement applications, based on 14 decisions analysed.

Last updated: August 2026

92.9%
basement approval rate
14
Basement decisions
13
Approved
1
Refused
93.7%
North Hertfordshire overall

Basement applications are approved at roughly the same rate as the North Hertfordshire average (93.7%).

How basement compares in North Hertfordshire

Basement (14 decided)
92.9%
North Hertfordshire all applications (2,124 decided)
93.7%

Planning a basement in North Hertfordshire?

92.9% 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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for North Hertfordshire →

Other project types in North Hertfordshire

Rear Extension (430 decided)
93.5%
Garage / Parking (372 decided)
90.1%
Side Extension (237 decided)
93.7%
Outbuilding (152 decided)
94.1%
New Build (149 decided)
83.2%
Dormer (136 decided)
89.0%
Front Extension (120 decided)
89.2%
Conservatory (101 decided)
93.1%
Loft Conversion (82 decided)
89.0%
90.5%
Extension (General) (43 decided)
81.4%
91.4%
Annex (29 decided)
79.3%
87.5%
Check planning approval patterns, Free