Agreed on needing those details, although I wouldn’t assume falling rates must push this particular property up. Warehouses have a narrower buyer pool than ordinary Paris housing, and cheaper finance cannot cure an awkward building or weak resale demand.
I’d stress the price both ways: modest...
I’d compare fixed holding periods—say the period you realistically expect to own it—rather than just today’s payment against a hypothetical lower rate. For each scenario, total the deposit, arrangement fees, interest, and any early-repayment charge, then subtract the loan balance and plausible...