Side Extension approval rate in Richmond
Richmond approved 82.2% of side extension applications, based on 3,188 decisions analysed.
Last updated: September 2026
82.2%
side extension approval rate
3,188
Side Extension decisions
2,622
Approved
566
Refused
84.7%
Richmond overall
Side Extension applications are refused more often than the Richmond average (84.7%), suggesting the council scrutinises these projects more closely.
How side extension compares in Richmond
Side Extension
82.2%
Richmond all applications
84.7%
Planning a side extension in Richmond?
82.2% 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 Richmond →
✓ 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 Richmond and any other published UK council — see the data services →
Other project types in Richmond
82.8%
81.8%
81.8%
83.9%
88.0%
85.2%
82.6%
83.7%
83.6%
89.8%
82.6%
88.5%
77.5%
92.7%
79.8%