Annex approval rate in Calderdale

Calderdale approved 85.9% of annex applications, based on 170 decisions analysed.

Last updated: June 2026

85.9%

annex approval rate

170

Annex decisions

146

Approved

Refused

87.6%

Calderdale overall

Annex applications are approved at roughly the same rate as the Calderdale average (87.6%).

How annex compares in Calderdale

Annex (170 decided)

85.9%

Calderdale all applications (13,536 decided)

87.6%

Planning a annex in Calderdale?

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Other project types in Calderdale

Extension (General) (1,891 decided)

88.9%

Garage / Parking (1,587 decided)

83.0%

Rear Extension (1,339 decided)

88.9%

Side Extension (1,215 decided)

88.5%

Change of Use (Residential) (865 decided)

82.8%

Dormer (833 decided)

81.0%

Outbuilding (496 decided)

86.7%

Conservatory (390 decided)

93.3%

Wraparound Extension (181 decided)

87.3%

Loft Conversion (160 decided)

85.6%

New Build (153 decided)

73.2%

Front Extension (145 decided)

84.8%

Basement (115 decided)

92.2%

HMO (43 decided)

76.7%

Hip-to-Gable Conversion (37 decided)

89.2%

Flat Conversion (32 decided)

87.5%

← All Calderdale planning statistics

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