This is an interesting proposal.
The announcement is that coal will be banned for sale from Feb 2021, and unseasoned wood (moisture <20%) in packages smaller than 2 cubic m (*) from Jan 2024.
So it will be anthracite or similar, dry wood, or have space to store it whilst it dries (challenge for posh inner London eg Fulham perhaps). Graphic below is a bit simplified (different emissions from different coal types).
There is a Beeboid piece on it here: https://www.bbc.co.uk/news/uk-51581817.
It was announced by the Ag & Fish Minister.
I am assuming this is devolved, so this would be England only. Sounds like a not bad idea - I think, though some dwellings may need upgrading.
What a difference to the arguments that used to infuriate my dad as a Council Architect around 1970 when the argument against insulation and gas central heating from some ex-mining Councillors would be "we have infinite coal and many of us get it free for life from the NCB".
Ferdinand
(* does anyone have an easy way to do superscripts from a normal laptop keyboard? I am sure it exists)