Annex approval rate in North Somerset

North Somerset approved 86.6% of annex applications, based on 366 decisions analysed.

Last updated: August 2026

86.6%

annex approval rate

366

Annex decisions

317

Approved

Refused

90.3%

North Somerset overall

Annex applications are refused more often than the North Somerset average (90.3%), suggesting the council scrutinises these projects more closely.

How annex compares in North Somerset

Annex (366 decided)

86.6%

North Somerset all applications (20,205 decided)

90.3%

Planning a annex in North Somerset?

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Other project types in North Somerset

Garage / Parking (3,586 decided)

88.9%

Rear Extension (3,268 decided)

94.6%

Side Extension (2,154 decided)

93.4%

New Build (1,479 decided)

81.0%

Extension (General) (1,446 decided)

91.6%

Change of Use (Residential) (1,228 decided)

80.0%

Dormer (1,099 decided)

90.6%

Conservatory (964 decided)

94.6%

Outbuilding (957 decided)

89.4%

Loft Conversion (624 decided)

90.5%

Front Extension (592 decided)

91.9%

Wraparound Extension (242 decided)

96.3%

Basement (149 decided)

89.3%

Flat Conversion (85 decided)

85.9%

HMO (70 decided)

71.4%

Hip-to-Gable Conversion (59 decided)

89.8%

← All North Somerset planning statistics

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