Outbuilding approval rate in Derby

Derby approved 88.7% of outbuilding applications, based on 168 decisions analysed.

Last updated: March 2026

88.7%

outbuilding approval rate

168

Outbuilding decisions

149

Approved

Refused

93.4%

Derby overall

Outbuilding applications are refused more often than the Derby average (93.4%), suggesting the council scrutinises these projects more closely.

How outbuilding compares in Derby

Outbuilding (168 decided)

88.7%

Derby all applications (3,995 decided)

93.4%

Planning a outbuilding in Derby?

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Less than one set of revised drawings.

Other project types in Derby

Rear Extension (1,460 decided)

96.8%

Side Extension (819 decided)

95.6%

Garage / Parking (493 decided)

94.1%

Change of Use (Residential) (329 decided)

90.3%

Front Extension (294 decided)

93.2%

Wraparound Extension (236 decided)

95.8%

Dormer (192 decided)

83.3%

New Build (187 decided)

87.2%

Extension (General) (160 decided)

90.6%

HMO (128 decided)

89.8%

Conservatory (48 decided)

91.7%

Annex (23 decided)

69.6%

Basement (16 decided)

93.8%

Hip-to-Gable Conversion (14 decided)

78.6%

Loft Conversion (12 decided)

91.7%

← All Derby planning statistics

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