Basement approval rate in Merton
Merton approved 91.4% of basement applications, based on 583 decisions analysed.
Last updated: August 2026
91.4%
basement approval rate
583
Basement decisions
533
Approved
50
Refused
86.2%
Merton overall
Basement applications are approved more often than the Merton average (86.2%), suggesting the council is relatively receptive to these projects.
How basement compares in Merton
Basement
91.4%
Merton all applications
86.2%
Planning a basement in Merton?
91.4% 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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Merton →
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Merton
81.8%
89.9%
88.5%
88.7%
85.0%
87.8%
86.9%
83.0%
87.2%
83.0%
88.7%
92.6%
79.1%
55.6%
79.2%