Side Extension approval rate in Hart
Hart approved 85.4% of side extension applications, based on 1,640 decisions analysed.
Last updated: August 2026
85.4%
side extension approval rate
1,640
Side Extension decisions
1,401
Approved
239
Refused
85.9%
Hart overall
Side Extension applications are approved at roughly the same rate as the Hart average (85.9%).
How side extension compares in Hart
Side Extension
85.4%
Hart all applications
85.9%
Planning a side extension in Hart?
85.4% 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
Other project types in Hart
87.0%
80.3%
89.2%
80.2%
83.9%
81.8%
70.5%
76.6%
79.1%
87.8%
73.5%
90.9%
58.1%
63.6%