D
Doggit
Once the valuations have been done, then the solicitor will have a few facts to work with. For a hypothetical example (and I could be wrong) if the flat was bought at £100K, then each brother had a 50/50 share worth £50K each, but now it's worth £150K, so the brother now sells his share for £75K, so a £75K mortgage is needed, but the daughter and her boyfriend will still be down on the new deeds as having a 50/50 share of the property' along with it's new value; unless that's drawn up as a separate document. There'll be a bit of a fudge somewhere, but the solicitors should handle it all. The only query, is making sure that the advice given to your daughter, is independent from the brothers, so there's no conflict of interest.