Are Flame Retardants in Your Sofa Killing You? (2019)
toxicsofa.com
toxicsofa.com
With couches I do wonder how much of a risk out-gassing is because of all the new foam inside, plus the fact that new houses are pretty much air tight means you'll be breathing it!
These guys have a product specific for that industry, non-toxic etc... not sure if they are sold in the UK. It is an Aussie business H/Q in USA.
Alas, this is not crackpottery: https://en.wikipedia.org/wiki/Flame_retardant#Health_concern...