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Flat Conversion approval rate in Calderdale

Calderdale approved 87.1% of flat conversion applications, based on 31 decisions analysed.

Last updated: March 2026

87.1%
flat conversion approval rate
31
Flat Conversion decisions
27
Approved
4
Refused
87.6%
Calderdale overall

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

How flat conversion compares in Calderdale

Flat Conversion (31 decided)
87.1%
Calderdale all applications (13,254 decided)
87.6%

Planning a flat conversion in Calderdale?

87.1% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's flat conversion approval rate
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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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%
82.6%
Dormer (811 decided)
81.5%
Outbuilding (482 decided)
86.9%
Conservatory (378 decided)
93.4%
Wraparound Extension (177 decided)
87.6%
Annex (166 decided)
87.3%
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%
89.2%
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