Technical Booklet R Access to and Use of Buildings·Page 68·7.6
Minimum width at point of entry boundary
Where the point of entry is at the boundary, an unobstructed width of not less than 900 mm must be provided.
Where the point of entry is at the boundary it should have an unobstructed width of not less than 900 mm.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet R - Access to and Use of Buildings.pdf