"DJC" wrote:

https://www.gov.uk/government/public...ved-document-m

Thanks for the links, of which this appears to be the most relevant. But
short of reading right through it, or discovering a better search facility,
I'm afraid I've still not managed to find any reference to the specific area
I'm interested in: outdoor steps leading to and from an outward-opening door
in a domestic dwelling.

Me being short-sighted or just plain stupid, no doubt.