Side Extension approval rate in Windsor & Maidenhead
Windsor & Maidenhead approved 83.6% of side extension applications, based on 1,435 decisions analysed.
Last updated: August 2026
83.6%
side extension approval rate
1,435
Side Extension decisions
1,200
Approved
235
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
83.6%
Windsor & Maidenhead all applications
84.3%
Planning a side extension in Windsor & Maidenhead?
83.6% 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
84.5%
82.4%
80.1%
85.0%
78.7%
88.6%
83.6%
86.9%
78.1%
86.0%
76.2%
88.3%
62.2%
80.0%
78.6%