Annex approval rate in North Somerset

North Somerset approved 86.1% of annex applications, based on 352 decisions analysed.

Last updated: June 2026

86.1%

annex approval rate

352

Annex decisions

303

Approved

Refused

90.2%

North Somerset overall

Annex applications are refused more often than the North Somerset average (90.2%), suggesting the council scrutinises these projects more closely.

How annex compares in North Somerset

Annex (352 decided)

86.1%

North Somerset all applications (19,440 decided)

90.2%

Planning a annex in North Somerset?

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Other project types in North Somerset

Garage / Parking (3,443 decided)

88.8%

Rear Extension (3,158 decided)

94.7%

Side Extension (2,080 decided)

93.4%

New Build (1,421 decided)

80.9%

Extension (General) (1,392 decided)

91.4%

Change of Use (Residential) (1,180 decided)

79.8%

Dormer (1,071 decided)

90.5%

Conservatory (922 decided)

94.5%

Outbuilding (918 decided)

89.1%

Loft Conversion (606 decided)

90.4%

Front Extension (563 decided)

91.7%

Wraparound Extension (228 decided)

96.1%

Basement (144 decided)

88.9%

Flat Conversion (82 decided)

85.4%

HMO (66 decided)

71.2%

Hip-to-Gable Conversion (56 decided)

89.3%

← All North Somerset planning statistics

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