Don’t leave the energy label as a footnote. It won’t produce a valuation by itself, but it may reveal whether “dated” means décor only or whether running costs and upgrades need investigation. I’d ask for the label and any available information behind it before costing works.
Before committing, make one list with three columns: urgent on possession, likely within a year, and deferrable. Add the moving estimate, insurance excess, first mortgage payment date and any service charges. Keep furniture off the list except true essentials. If the purchase plus the first two...