Rear Extension approval rate in Horsham
Horsham approved 95.3% of rear extension applications, based on 2,150 decisions analysed.
Last updated: June 2026
95.3%
rear extension approval rate
2,150
Rear Extension decisions
2,048
Approved
102
Refused
91.3%
Horsham overall
Rear Extension applications are approved more often than the Horsham average (91.3%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Horsham
Rear Extension
95.3%
Horsham all applications
91.3%
Planning a rear extension in Horsham?
95.3% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
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Free planning check for Horsham →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Horsham
88.6%
96.3%
78.9%
91.5%
89.7%
98.3%
90.5%
96.2%
96.9%
94.5%
85.2%
91.2%
97.1%
76.7%