Side Extension approval rate in Wandsworth
Wandsworth approved 93.5% of side extension applications, based on 3,472 decisions analysed.
Last updated: August 2026
93.5%
side extension approval rate
3,472
Side Extension decisions
3,247
Approved
225
Refused
93.3%
Wandsworth overall
Side Extension applications are approved at roughly the same rate as the Wandsworth average (93.3%).
How side extension compares in Wandsworth
Side Extension
93.5%
Wandsworth all applications
93.3%
Planning a side extension in Wandsworth?
93.5% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Wandsworth →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Wandsworth
93.0%
91.4%
95.4%
94.7%
88.8%
94.1%
92.5%
91.5%
95.9%
82.9%
92.7%
89.7%
87.1%
97.4%
88.5%