Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Flat Conversion approval rate in Calderdale

Calderdale approved 87.9% of flat conversion applications, based on 33 decisions analysed.

Last updated: September 2026

87.9%
flat conversion approval rate
33
Flat Conversion decisions
29
Approved
4
Refused
85.5%
Calderdale overall

Flat Conversion applications are approved more often than the Calderdale average (85.5%), suggesting the council is relatively receptive to these projects.

How flat conversion compares in Calderdale

Flat Conversion (33 decided)
87.9%
Calderdale all applications (8,969 decided)
85.5%

Planning a flat conversion in Calderdale?

87.9% get approved, but the odds vary by street. Your Full Planning Analysis 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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Planning professional? PlanningLens runs refusal alerts and evidence packs for Calderdale and any other published UK council — see the data services →

Other project types in Calderdale

Extension (General) (1,920 decided)
88.9%
Garage / Parking (1,622 decided)
83.1%
Rear Extension (1,385 decided)
88.8%
Side Extension (1,250 decided)
88.5%
82.5%
Dormer (859 decided)
80.3%
Outbuilding (504 decided)
86.3%
Conservatory (396 decided)
93.2%
Wraparound Extension (189 decided)
87.8%
Annex (172 decided)
86.0%
Loft Conversion (166 decided)
86.1%
New Build (161 decided)
73.3%
Front Extension (148 decided)
84.5%
Basement (117 decided)
92.3%
HMO (46 decided)
76.1%
86.8%
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