Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Side Extension approval rate in Sheffield

Sheffield approved 91.4% of side extension applications, based on 1,063 decisions analysed.

Last updated: March 2026

91.4%
side extension approval rate
1,063
Side Extension decisions
972
Approved
91
Refused
90.8%
Sheffield overall

Side Extension applications are approved at roughly the same rate as the Sheffield average (90.8%).

How side extension compares in Sheffield

Side Extension (1,063 decided)
91.4%
Sheffield all applications (6,165 decided)
90.8%

Planning a side extension in Sheffield?

91.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
✓ Nearest comparable side extension 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 Sheffield

Rear Extension (1,561 decided)
92.2%
Garage / Parking (1,009 decided)
89.2%
New Build (840 decided)
83.6%
Dormer (441 decided)
85.0%
Extension (General) (277 decided)
91.7%
Front Extension (254 decided)
90.6%
Conservatory (243 decided)
93.0%
Outbuilding (199 decided)
87.9%
92.6%
Basement (113 decided)
91.2%
88.3%
95.2%
HMO (53 decided)
84.9%
Annex (33 decided)
93.9%
Loft Conversion (33 decided)
78.8%
Flat Conversion (14 decided)
92.9%
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