Stairs

Quick building regs question:
Does anyone know what the maximum allowable rise, and minimum allowable going on a domestic staircase is?
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Cheers,

John.

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Max rise 220mm Min going 220mm Max pitch 42deg
So for rise of 220 at 42deg, going = 244mm and for going of 220 at 42deg, rise = 198mm
Also there is a rule of 2R+G < > a broad limit which escapes me right now.
Toby.
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Greater than 550, less than 700
In addition: Tapered treads i.e. winders, should have a minimum going of 50mm Going for a stair of up to 1m width should be measured at the centre line All consecutive tapered treads should have the same taper All steps in a flight should have the same R & G Not more than 36 steps in a flight Open risers should not permit the passage of a 100mm sphere 2m recommended headroom above the whole of the stair
There special clauses regarding stairs to a loft conversion (1 room plus adjoining bath) which give greater flexibility.
All in approved document K
Toby.
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wrote:

Free download from
http://www.safety.odpm.gov.uk/bregs/brad11.htm
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Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
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