Rear Extension approval rate in Horsham
Horsham approved 95.3% of rear extension applications, based on 2,125 decisions analysed.
Last updated: March 2026
95.3%
rear extension approval rate
2,125
Rear Extension decisions
2,025
Approved
100
Refused
91.2%
Horsham overall
Rear Extension applications are approved more often than the Horsham average (91.2%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Horsham
Rear Extension
95.3%
Horsham all applications
91.2%
Planning a rear extension in Horsham?
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✓ Your ward's rear extension approval rate
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Horsham
88.3%
96.3%
78.6%
91.4%
89.5%
98.2%
90.2%
96.1%
96.8%
94.4%
84.7%
91.1%
96.9%
76.7%