I don't think you missed anything. It was, however, clear from that video that the house is in a state of disrepair and the back garden is also a mess. It could be sold.
From what I’ve read online Claudia’s mother still regularly visits the house and WAS aiming to use the house as a women's refuge. Things took a turn though last year after break ins and the discovery of the secret attic in the property, along with items like a tissue and chewing gum in a jacket, which she believed could hold DNA evidence. Apparently the break ins have ‘creeped her out’ which is why I found it a bit disrespectful that there’s people now filming in the garden and through the windows, when she could potentially be visiting the property.
Not a new article but linking as a source for the above info:
Mystery intruder breaks into missing woman's home after revelation
Chilling developments have left missing chef Claudia Lawrence's mum "nervous" as she fears an intruder has targeted her daughter's home - not once but twice. It is believed the mystery 'intruder' struck after a tiny attic hatch was discovered alongside new evidence