Side Extension approval rate in Windsor & Maidenhead
Windsor & Maidenhead approved 83.5% of side extension applications, based on 1,372 decisions analysed.
Last updated: June 2026
83.5%
side extension approval rate
1,372
Side Extension decisions
1,146
Approved
226
Refused
84.3%
Windsor & Maidenhead overall
Side Extension applications are approved at roughly the same rate as the Windsor & Maidenhead average (84.3%).
How side extension compares in Windsor & Maidenhead
Side Extension
83.5%
Windsor & Maidenhead all applications
84.3%
Planning a side extension in Windsor & Maidenhead?
83.5% 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 Windsor & Maidenhead →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Windsor & Maidenhead
84.4%
82.3%
80.4%
84.6%
78.6%
89.1%
83.4%
87.0%
80.8%
88.1%
76.0%
87.6%
62.8%
85.7%
83.3%