Side Extension approval rate in Hart
Hart approved 85.6% of side extension applications, based on 1,660 decisions analysed.
Last updated: September 2026
85.6%
side extension approval rate
1,660
Side Extension decisions
1,421
Approved
239
Refused
82.1%
Hart overall
Side Extension applications are approved more often than the Hart average (82.1%), suggesting the council is relatively receptive to these projects.
How side extension compares in Hart
Side Extension
85.6%
Hart all applications
82.1%
Planning a side extension in Hart?
85.6% 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 Hart →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Hart and any other published UK council — see the data services →
Other project types in Hart
87.1%
80.5%
89.2%
80.4%
84.1%
82.0%
70.3%
76.9%
79.2%
87.8%
73.9%
90.9%
58.1%
66.7%