Outbuilding approval rate in Merton
Merton approved 82.8% of outbuilding applications, based on 1,002 decisions analysed.
Last updated: March 2026
82.8%
outbuilding approval rate
1,002
Outbuilding decisions
830
Approved
172
Refused
85.9%
Merton overall
Outbuilding applications are refused more often than the Merton average (85.9%), suggesting the council scrutinises these projects more closely.
How outbuilding compares in Merton
Outbuilding
82.8%
Merton all applications
85.9%
Planning a outbuilding in Merton?
82.8% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Merton Pro Report — £79
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Merton
81.5%
89.9%
88.3%
88.7%
84.9%
87.7%
86.8%
86.6%
82.8%
91.3%
88.5%
93.1%
78.2%
55.7%
79.2%