We have already exchanged contracts with our buyers because they were threatening to pull out. And we were hoping that we'd be able to persuade vendors to move on the same day. Problems with outstanding mortgages on the property. Problems with valuable goldfish in their pond. But we had resolved those we thought. But vendor rang me this morning in a bit of a state. Apparently they fucking useless sol has yet to return a single document about the property they are buying! They had heard nothing since their offer was accepted 
So..... even though the land registry entry was proved to be a clerical error, even though we have agreed not to poison/cook/sell her precious fish before they can get them professionally moved, and even though they know our position.... they aren't going to move out on the 23rd.
I felt sorry for her. She was in a bit of a state and her mum is ill (she's 70 herself so god knows how old her mum is). I didn't make any promises but made sympathetic noises. She thought they might be able to do it on 27th.... maybe.
So we will have to move stuff in to storage and stay with my parents. Not end of the world stuff but honestly, AIBU to think their sol is crap and that most of these issues should/could have been sorted weeks ago?