Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Dormer approval rate in Mid Sussex

Mid Sussex approved 92.2% of dormer applications, based on 460 decisions analysed.

Last updated: March 2026

92.2%
dormer approval rate
460
Dormer decisions
424
Approved
36
Refused
94.0%
Mid Sussex overall

Dormer applications are approved at roughly the same rate as the Mid Sussex average (94.0%).

How dormer compares in Mid Sussex

Dormer (460 decided)
92.2%
Mid Sussex all applications (7,819 decided)
94.0%

Planning a dormer in Mid Sussex?

92.2% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
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Less than one set of revised drawings.

Other project types in Mid Sussex

Garage / Parking (1,307 decided)
92.2%
Rear Extension (1,182 decided)
95.9%
Side Extension (676 decided)
95.3%
Extension (General) (505 decided)
92.3%
Outbuilding (400 decided)
94.5%
Loft Conversion (329 decided)
93.3%
Conservatory (321 decided)
96.9%
89.4%
Front Extension (220 decided)
96.4%
New Build (161 decided)
75.8%
95.3%
92.5%
Annex (62 decided)
85.5%
Basement (28 decided)
92.9%
Flat Conversion (11 decided)
81.8%
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