Listing imports are the obvious place to start, but only if field mapping is reliable and later edits do not create conflicting records. Otherwise the saved typing just reappears as cleanup.
For transaction updates, I’d prioritise audit history over a polished dashboard: who changed what, when...
I would divide it by urgency rather than evenly. First ring-fence enough for several months of essential outgoings, including the mortgage and service charges. Then reserve cash for inspection items that could worsen if delayed, plus moving and the insurance excess. Furniture comes last: use...
I’m not convinced condition is the main source of noise. How tightly did you draw the neighbourhood boundaries, and does the +5.9% compare like-for-like periods? A few newly renovated units in one pocket could distort a small Copenhagen sample. Withdrawn listings also matter: they disappear...