blister91 wrote:
My elderly neighbour & his son (who are not exactly DIY competent) has
painted their bathroom floorboards with creosote, yes creosote

It will stink for weeks - the telegraph pole outside my house was done
fairly recently and I could smell it every time I stepped outside the door.

Unless there's a known neutraliser for creosote (I doubt it) it's time for a
new floor I reckon.

Si