Rear Extension approval rate in Lambeth
Lambeth approved 82.2% of rear extension applications, based on 6,170 decisions analysed.
Last updated: August 2026
82.2%
rear extension approval rate
6,170
Rear Extension decisions
5,069
Approved
1,101
Refused
84.5%
Lambeth overall
Rear Extension applications are refused more often than the Lambeth average (84.5%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Lambeth
Rear Extension
82.2%
Lambeth all applications
84.5%
Planning a rear extension in Lambeth?
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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Lambeth →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Lambeth
87.3%
78.0%
84.7%
81.3%
89.2%
85.2%
85.2%
85.2%
84.3%
77.0%
83.1%
87.7%
65.6%
77.5%
77.8%