Outbuilding approval rate in Hertsmere
Hertsmere approved 80.2% of outbuilding applications, based on 86 decisions analysed.
Last updated: March 2026
80.2%
outbuilding approval rate
86
Outbuilding decisions
69
Approved
17
Refused
85.1%
Hertsmere overall
Outbuilding applications are refused more often than the Hertsmere average (85.1%), suggesting the council scrutinises these projects more closely.
How outbuilding compares in Hertsmere
Outbuilding
80.2%
Hertsmere all applications
85.1%
Planning a outbuilding in Hertsmere?
80.2% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Hertsmere Pro Report — £79
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Hertsmere
83.0%
86.2%
84.6%
77.3%
82.6%
81.8%
90.8%
88.1%
72.6%
85.5%
84.6%
89.5%