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

Rear Extension approval rate in Mid Sussex

Mid Sussex approved 95.4% of rear extension applications, based on 1,316 decisions analysed.

Last updated: August 2026

95.4%
rear extension approval rate
1,316
Rear Extension decisions
1,255
Approved
61
Refused
93.9%
Mid Sussex overall

Rear Extension applications are approved at roughly the same rate as the Mid Sussex average (93.9%).

How rear extension compares in Mid Sussex

Rear Extension (1,316 decided)
95.4%
Mid Sussex all applications (8,785 decided)
93.9%

Planning a rear extension in Mid Sussex?

95.4% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
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Other project types in Mid Sussex

Garage / Parking (1,461 decided)
92.1%
Side Extension (764 decided)
95.0%
Extension (General) (551 decided)
92.0%
Dormer (502 decided)
91.6%
Outbuilding (454 decided)
92.7%
Loft Conversion (369 decided)
93.0%
Conservatory (356 decided)
97.2%
88.9%
Front Extension (240 decided)
95.8%
New Build (173 decided)
76.3%
Wraparound Extension (102 decided)
93.1%
92.1%
Annex (74 decided)
86.5%
Basement (29 decided)
93.1%
Flat Conversion (14 decided)
85.7%
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