Basement approval rate in Hertsmere
Hertsmere approved 93.5% of basement applications, based on 31 decisions analysed.
Last updated: June 2026
93.5%
basement approval rate
31
Basement decisions
29
Approved
2
Refused
87.4%
Hertsmere overall
Basement applications are approved more often than the Hertsmere average (87.4%), suggesting the council is relatively receptive to these projects.
How basement compares in Hertsmere
Basement
93.5%
Hertsmere all applications
87.4%
Planning a basement in Hertsmere?
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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Hertsmere →
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Hertsmere
86.0%
90.7%
90.7%
86.1%
86.9%
94.7%
88.1%
92.7%
94.2%
83.0%
81.3%
89.0%
100.0%
100.0%