Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Dormer approval rate in Windsor & Maidenhead

Windsor & Maidenhead approved 81.3% of dormer applications, based on 627 decisions analysed.

Last updated: March 2026

81.3%
dormer approval rate
627
Dormer decisions
510
Approved
117
Refused
85.2%
Windsor & Maidenhead overall

Dormer applications are refused more often than the Windsor & Maidenhead average (85.2%), suggesting the council scrutinises these projects more closely.

How dormer compares in Windsor & Maidenhead

Dormer (627 decided)
81.3%
Windsor & Maidenhead all applications (6,575 decided)
85.2%

Planning a dormer in Windsor & Maidenhead?

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Less than one set of revised drawings.

Other project types in Windsor & Maidenhead

Rear Extension (1,934 decided)
85.4%
Garage / Parking (1,372 decided)
82.2%
Side Extension (1,232 decided)
83.9%
Front Extension (541 decided)
84.3%
Outbuilding (460 decided)
79.6%
80.3%
Loft Conversion (253 decided)
89.3%
Extension (General) (188 decided)
84.0%
Conservatory (182 decided)
87.9%
New Build (133 decided)
81.2%
90.6%
Wraparound Extension (117 decided)
76.1%
Basement (91 decided)
89.0%
Annex (35 decided)
71.4%
Flat Conversion (13 decided)
84.6%
HMO (10 decided)
90.0%
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