Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

New Build approval rate in Horsham

Horsham approved 78.9% of new build applications, based on 817 decisions analysed.

Last updated: August 2026

78.9%
new build approval rate
817
New Build decisions
645
Approved
172
Refused
91.2%
Horsham overall

New Build applications are refused more often than the Horsham average (91.2%), suggesting the council scrutinises these projects more closely.

How new build compares in Horsham

New Build (817 decided)
78.9%
Horsham all applications (13,181 decided)
91.2%

Planning a new build in Horsham?

78.9% 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 new build approval rate
✓ Nearest comparable new build decisions
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Other project types in Horsham

Garage / Parking (2,251 decided)
88.5%
Rear Extension (2,214 decided)
95.2%
Side Extension (1,378 decided)
96.2%
73.2%
Dormer (700 decided)
91.7%
Outbuilding (627 decided)
89.6%
Conservatory (469 decided)
98.3%
Extension (General) (463 decided)
90.3%
Front Extension (408 decided)
96.1%
Wraparound Extension (333 decided)
97.0%
Loft Conversion (243 decided)
94.7%
Annex (155 decided)
83.9%
91.5%
Basement (34 decided)
97.1%
Flat Conversion (30 decided)
76.7%
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