Rear Extension approval rate in Lewisham
Lewisham approved 75.4% of rear extension applications, based on 4,494 decisions analysed.
Last updated: March 2026
75.4%
rear extension approval rate
4,494
Rear Extension decisions
3,390
Approved
1,104
Refused
82.9%
Lewisham overall
Rear Extension applications are refused more often than the Lewisham average (82.9%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Lewisham
Rear Extension
75.4%
Lewisham all applications
82.9%
Planning a rear extension in Lewisham?
75.4% get approved — but the odds vary by street. Your Pro Report 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
Get Lewisham Pro Report — £79
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Lewisham
83.2%
84.0%
84.2%
79.3%
80.9%
82.7%
75.4%
81.7%
82.3%
64.5%
84.0%
82.7%
89.0%
67.5%
60.0%