Rear Extension approval rate in Westminster
Westminster approved 87.7% of rear extension applications, based on 3,168 decisions analysed.
Last updated: June 2026
87.7%
rear extension approval rate
3,168
Rear Extension decisions
2,777
Approved
391
Refused
90.8%
Westminster overall
Rear Extension applications are refused more often than the Westminster average (90.8%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Westminster
Rear Extension
87.7%
Westminster all applications
90.8%
Planning a rear extension in Westminster?
87.7% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Westminster →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Westminster
92.8%
90.9%
88.3%
93.4%
92.6%
86.0%
88.5%
96.4%
89.9%
88.3%
74.8%
94.5%
88.7%
75.9%