Direct answer: there is no single global property forecast
Residential property is local, slow-moving and divided across cities, property types and tenure. A useful 2027 calculation combines financing cost, household income, deposits, rents, construction supply, vacancy, migration, taxes and credit conditions. It can produce a range of plausible paths, not a universal direction. This article is educational scenario analysis only; it is not a recommendation to buy, sell, borrow, refinance or invest in property.