The line I would stress hardest is building or association maintenance. Don’t rely only on the current monthly charge: ask what it covers, whether owners face separate contributions for major works, and whether any expensive common-area work is being discussed. Your repair reserve covers the...
I would give the completed sale much more weight than the three listings, provided it is genuinely comparable and not too remote in micro-location or condition. Don’t make a straight 1:1 floor-area adjustment: compare price per m², then consider whether the smaller and larger homes differ in...