Just been checking the UK regs regarding integral garage floors where the garage has an adjoining door into the habitable areas. I thought the regs stated that a 100mm step down into the garage was required but now find that this has been amended, presumably for access issues, to either a 100mm step down OR garage floor to be laid with fall away from door. What it doesn't say is what fall is recommended. Has anyone come across this and what was your solution?? I quite like the ide