Annex approval rate in West Suffolk

West Suffolk approved 90.0% of annex applications, based on 559 decisions analysed.

Last updated: August 2026

90.0%

annex approval rate

559

Annex decisions

503

Approved

Refused

93.6%

West Suffolk overall

Annex applications are refused more often than the West Suffolk average (93.6%), suggesting the council scrutinises these projects more closely.

How annex compares in West Suffolk

Annex (559 decided)

90.0%

West Suffolk all applications (40,184 decided)

93.6%

Planning a annex in West Suffolk?

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Other project types in West Suffolk

Garage / Parking (5,644 decided)

90.5%

Rear Extension (5,512 decided)

96.7%

Side Extension (3,300 decided)

95.1%

Extension (General) (2,207 decided)

95.0%

Change of Use (Residential) (2,146 decided)

87.4%

Outbuilding (1,860 decided)

94.3%

New Build (1,447 decided)

83.9%

Conservatory (1,358 decided)

96.8%

Front Extension (1,135 decided)

94.8%

Dormer (901 decided)

93.8%

Wraparound Extension (590 decided)

94.9%

Loft Conversion (266 decided)

95.9%

Basement (119 decided)

94.1%

Flat Conversion (66 decided)

97.0%

HMO (27 decided)

92.6%

← All West Suffolk planning statistics

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