Side Extension approval rate in Wandsworth
Wandsworth approved 93.6% of side extension applications, based on 3,315 decisions analysed.
Last updated: March 2026
93.6%
side extension approval rate
3,315
Side Extension decisions
3,103
Approved
212
Refused
93.5%
Wandsworth overall
Side Extension applications are approved at roughly the same rate as the Wandsworth average (93.5%).
How side extension compares in Wandsworth
Side Extension
93.6%
Wandsworth all applications
93.5%
Planning a side extension in Wandsworth?
93.6% get approved — but the odds vary by street. Your Pro Report 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
Get Wandsworth Pro Report — £79
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Wandsworth
93.0%
91.3%
95.6%
95.0%
88.8%
94.2%
92.8%
91.8%
96.3%
83.0%
92.5%
90.1%
86.8%
97.0%
91.5%