Annex approval rate in Calderdale

Calderdale approved 87.3% of annex applications, based on 166 decisions analysed.

Last updated: March 2026

87.3%

annex approval rate

166

Annex decisions

145

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 (166 decided)

87.3%

Calderdale all applications (13,254 decided)

87.6%

Planning a annex in Calderdale?

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Less than one set of revised drawings.

Other project types in Calderdale

Extension (General) (1,859 decided)

89.0%

Garage / Parking (1,559 decided)

83.3%

Rear Extension (1,303 decided)

89.2%

Side Extension (1,193 decided)

88.7%

Change of Use (Residential) (840 decided)

82.6%

Dormer (811 decided)

81.5%

Outbuilding (482 decided)

86.9%

Conservatory (378 decided)

93.4%

Wraparound Extension (177 decided)

87.6%

Loft Conversion (158 decided)

85.4%

New Build (150 decided)

74.7%

Front Extension (143 decided)

84.6%

Basement (114 decided)

92.1%

HMO (41 decided)

75.6%

Hip-to-Gable Conversion (37 decided)

89.2%

Flat Conversion (31 decided)

87.1%

← All Calderdale planning statistics

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