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

Flat Conversion approval rate in Sheffield

Sheffield approved 89.5% of flat conversion applications, based on 19 decisions analysed.

Last updated: September 2026

89.5%
flat conversion approval rate
19
Flat Conversion decisions
17
Approved
2
Refused
88.9%
Sheffield overall

Flat Conversion applications are approved at roughly the same rate as the Sheffield average (88.9%).

How flat conversion compares in Sheffield

Flat Conversion (19 decided)
89.5%
Sheffield all applications (4,671 decided)
88.9%

Planning a flat conversion in Sheffield?

89.5% 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
Free planning check for Sheffield →

Planning professional? PlanningLens runs refusal alerts and evidence packs for Sheffield and any other published UK council — see the data services →

Other project types in Sheffield

Rear Extension (1,911 decided)
91.7%
Side Extension (1,283 decided)
91.0%
Garage / Parking (1,199 decided)
89.3%
New Build (1,021 decided)
83.7%
Dormer (558 decided)
84.8%
Extension (General) (351 decided)
92.3%
Front Extension (296 decided)
90.5%
Conservatory (293 decided)
93.5%
Outbuilding (255 decided)
88.6%
91.6%
Basement (146 decided)
91.8%
87.1%
94.0%
HMO (74 decided)
85.1%
Loft Conversion (45 decided)
82.2%
Annex (39 decided)
94.9%
Check planning approval patterns, Free