Annex approval rate in Sutton

Sutton approved 72.4% of annex applications, based on 156 decisions analysed.

Last updated: August 2026

72.4%

annex approval rate

156

Annex decisions

113

Approved

Refused

84.1%

Sutton overall

Annex applications are refused more often than the Sutton average (84.1%), suggesting the council scrutinises these projects more closely.

How annex compares in Sutton

Annex (156 decided)

72.4%

Sutton all applications (18,538 decided)

84.1%

Planning a annex in Sutton?

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Other project types in Sutton

Rear Extension (7,274 decided)

80.0%

Garage / Parking (4,155 decided)

82.9%

Dormer (3,168 decided)

83.0%

Side Extension (3,063 decided)

79.3%

Extension (General) (2,228 decided)

89.0%

Wraparound Extension (1,097 decided)

79.8%

New Build (1,060 decided)

78.1%

Change of Use (Residential) (978 decided)

81.8%

Front Extension (950 decided)

77.9%

Flat Conversion (916 decided)

91.6%

Outbuilding (856 decided)

82.0%

Hip-to-Gable Conversion (430 decided)

82.6%

Conservatory (419 decided)

84.5%

Basement (235 decided)

84.7%

HMO (189 decided)

74.1%

Loft Conversion (151 decided)

79.5%

← All Sutton planning statistics

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