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Extension (General) approval rate in Windsor & Maidenhead

Windsor & Maidenhead approved 84.0% of extension (general) applications, based on 188 decisions analysed.

Last updated: March 2026

84.0%
extension (general) approval rate
188
Extension (General) decisions
158
Approved
30
Refused
85.2%
Windsor & Maidenhead overall

Extension (General) applications are approved at roughly the same rate as the Windsor & Maidenhead average (85.2%).

How extension (general) compares in Windsor & Maidenhead

Extension (General) (188 decided)
84.0%
Windsor & Maidenhead all applications (6,575 decided)
85.2%

Planning a extension (general) 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%
Dormer (627 decided)
81.3%
Front Extension (541 decided)
84.3%
Outbuilding (460 decided)
79.6%
80.3%
Loft Conversion (253 decided)
89.3%
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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