Outbuilding approval rate in Kensington & Chelsea
Kensington & Chelsea approved 90.8% of outbuilding applications, based on 790 decisions analysed.
Last updated: March 2026
90.8%
outbuilding approval rate
790
Outbuilding decisions
717
Approved
73
Refused
92.5%
Kensington & Chelsea overall
Outbuilding applications are approved at roughly the same rate as the Kensington & Chelsea average (92.5%).
How outbuilding compares in Kensington & Chelsea
Outbuilding
90.8%
Kensington & Chelsea all applications
92.5%
Planning a outbuilding in Kensington & Chelsea?
90.8% 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 Kensington & Chelsea 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 Kensington & Chelsea
92.3%
89.7%
92.2%
92.8%
86.4%
89.2%
89.0%
89.7%
92.4%
92.6%
90.9%
94.7%
86.0%
88.4%