On 13/01/2021 13:31, Twisty wrote:
I have a wood burning stove fitted with board behind and sides. Is it
possible to tile it myself in situ, and what gap must there be from the
back and sides of fire, as my opening is quite small.

What sort of board?

I'd have said that if there is enough room to apply tile adhesive and
fit tiles then there is no issue.