Technical Booklet R Access to and Use of Buildings·Page 22·3.8
Accessible entrance doors – general requirements
Doors to principal or alternative accessible entrances must be accessible to wheelchair users and people with limited dexterity, and when open must be wide enough for unrestricted passage by various users including wheelchair users, people with luggage, assistance dogs, and pushchairs.
Doors to the principal entrance or alternative accessible entrance should be accessible to all, particularly wheelchair users and people with limited physical dexterity. Entrance doors may be manually operated without powered assistance, or power operated under manual or automatic control. Once open, all doors to accessible entrances should be wide enough to allow unrestricted passage for a variety of users, including wheelchair users, people carrying luggage, people with assistance dogs, and people with pushchairs and small children.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet R - Access to and Use of Buildings.pdf