Annex approval rate in Windsor & Maidenhead
Windsor & Maidenhead approved 71.4% of annex applications, based on 35 decisions analysed.
Last updated: March 2026
71.4%
annex approval rate
35
Annex decisions
25
Approved
10
Refused
85.2%
Windsor & Maidenhead overall
Annex applications are refused more often than the Windsor & Maidenhead average (85.2%), suggesting the council scrutinises these projects more closely.
How annex compares in Windsor & Maidenhead
Annex
71.4%
Windsor & Maidenhead all applications
85.2%
Planning a annex in Windsor & Maidenhead?
71.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's annex approval rate
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✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Windsor & Maidenhead
85.4%
82.2%
83.9%
81.3%
84.3%
79.6%
89.3%
84.0%
87.9%
81.2%
90.6%
76.1%
89.0%
84.6%
90.0%