A practical next step for anyone at accepted-offer stage is a single list of every outstanding item: document or task, responsible person, dependency and target date. Update it whenever something moves rather than relying on separate email chains.
I’d also keep the repair reserve separate from...
Also separate parking from the apartment before comparing €/m². The same applies to outdoor space and storage. If one comparable includes parking and another does not, the headline price-per-metre comparison will be distorted even when the interiors are similar.