Side Extension approval rate in Sheffield
Sheffield approved 91.0% of side extension applications, based on 1,283 decisions analysed.
Last updated: September 2026
91.0%
side extension approval rate
1,283
Side Extension decisions
1,167
Approved
116
Refused
88.9%
Sheffield overall
Side Extension applications are approved more often than the Sheffield average (88.9%), suggesting the council is relatively receptive to these projects.
How side extension compares in Sheffield
Side Extension
91.0%
Sheffield all applications
88.9%
Planning a side extension in Sheffield?
91.0% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Sheffield →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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
91.7%
89.3%
83.7%
84.8%
92.3%
90.5%
93.5%
88.6%
91.8%
87.1%
94.0%
85.1%
82.2%
94.9%
89.5%