Side Extension approval rate in Greenwich
Greenwich approved 59.8% of side extension applications, based on 2,093 decisions analysed.
Last updated: September 2026
59.8%
side extension approval rate
2,093
Side Extension decisions
1,251
Approved
842
Refused
73.5%
Greenwich overall
Side Extension applications are refused more often than the Greenwich average (73.5%), suggesting the council scrutinises these projects more closely.
How side extension compares in Greenwich
Side Extension
59.8%
Greenwich all applications
73.5%
Planning a side extension in Greenwich?
59.8% 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 Greenwich →
✓ 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 Greenwich and any other published UK council — see the data services →
Other project types in Greenwich
66.7%
77.5%
67.9%
67.9%
78.9%
76.5%
70.5%
58.0%
62.5%
77.4%
78.2%
76.7%
85.5%
49.1%
74.3%