Conservatory approval rate in Hertsmere
Hertsmere approved 88.3% of conservatory applications, based on 171 decisions analysed.
Last updated: September 2026
88.3%
conservatory approval rate
171
Conservatory decisions
151
Approved
20
Refused
87.5%
Hertsmere overall
Conservatory applications are approved at roughly the same rate as the Hertsmere average (87.5%).
How conservatory compares in Hertsmere
Conservatory
88.3%
Hertsmere all applications
87.5%
Planning a conservatory in Hertsmere?
88.3% 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 conservatory approval rate
✓ Nearest comparable conservatory decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Hertsmere →
✓ Nearest comparable conservatory decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Hertsmere and any other published UK council — see the data services →
Other project types in Hertsmere
86.6%
91.8%
91.6%
87.9%
89.7%
95.2%
93.2%
95.3%
82.8%
83.3%
89.7%
100.0%
93.8%
100.0%
100.0%