Extension (General) approval rate in Sutton
Sutton approved 88.9% of extension (general) applications, based on 2,250 decisions analysed.
Last updated: September 2026
88.9%
extension (general) approval rate
2,250
Extension (General) decisions
2,001
Approved
249
Refused
83.3%
Sutton overall
Extension (General) applications are approved more often than the Sutton average (83.3%), suggesting the council is relatively receptive to these projects.
How extension (general) compares in Sutton
Extension (General)
88.9%
Sutton all applications
83.3%
Planning a extension (general) in Sutton?
88.9% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Sutton →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Sutton and any other published UK council — see the data services →
Other project types in Sutton
80.1%
82.8%
83.0%
79.3%
79.6%
78.2%
77.9%
91.4%
82.0%
82.0%
84.5%
84.6%
72.7%
72.4%
79.1%