Dormer approval rate in Mid Sussex

Mid Sussex approved 91.6% of dormer applications, based on 502 decisions analysed.

Last updated: August 2026

91.6%

dormer approval rate

502

Dormer decisions

460

Approved

Refused

93.9%

Mid Sussex overall

Dormer applications are refused more often than the Mid Sussex average (93.9%), suggesting the council scrutinises these projects more closely.

How dormer compares in Mid Sussex

Dormer (502 decided)

91.6%

Mid Sussex all applications (8,785 decided)

93.9%

Planning a dormer in Mid Sussex?

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Other project types in Mid Sussex

Garage / Parking (1,461 decided)

92.1%

Rear Extension (1,316 decided)

95.4%

Side Extension (764 decided)

95.0%

Extension (General) (551 decided)

92.0%

Outbuilding (454 decided)

92.7%

Loft Conversion (369 decided)

93.0%

Conservatory (356 decided)

97.2%

Change of Use (Residential) (253 decided)

88.9%

Front Extension (240 decided)

95.8%

New Build (173 decided)

76.3%

Wraparound Extension (102 decided)

93.1%

Hip-to-Gable Conversion (76 decided)

92.1%

Annex (74 decided)

86.5%

Basement (29 decided)

93.1%

Flat Conversion (14 decided)

85.7%

← All Mid Sussex planning statistics

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