Effective Width

Clear opening width is measured up to any projecting door item including furniture, weatherboards, etc., as shown above. A space of at least 300mm is generally required next to the leading edge of the door to enable wheelchair users to reach and grip the handle, unless the door is power operated. Door opening furniture should be operable with one hand (e.g. lever action).

Effective Width

Direction & width of approach : New buildings (mm) Existing buildings (mm)
Straight-on (without a turn or oblique approach) 800 750
At right angles to an access route at least 1500mm wide 800 750
At right angles to an access route at least 1200mm wide 825 775
External doors to buildings used by the general public 1000 775
British Woodworking Federation BM Trada


All our doorsets are fully certified to recognised performance standards. GE Door Manufacturing is accredited to the BS EN ISO 9001:2015. All fire resisting products are manufactured under the BM TRADA Q Mark or BWF Certifire - independent product conformity schemes.

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