Thanks mf1Parents and daughter will need separate solicitors. Start there.
Either of those solicitors will be able to advise their respective clients in general terms.
If more specific advice is necessary either of those solicitors can usually recommend an accountant.
mf
Can you give more specifics such as
Is it the purchase of the parents PPR or an investment property they own ? PPR
Who will live in the home once the purchase is complete ? WE WILL, WE WILL SELL OUR PPR TO FINANCE THE PURCHASE
What is the actual market value and the proposed purchase price ? 650K 450K (all to be agreed)
Has a lifetime gift been received thus far by the daughter ? NIL