One missing fact: is the €537 figure for genuinely comparable accommodation—same type of student unit, condition, furnishing and location—or just nearby advertisements? Asking rent is not the same as achieved or permitted rent. The tenancy type and contract terms also matter, so I would not...
I would favour retention unless the current rent is creating a real problem. The full difference is €58 a month, or €696 over a year. Even one vacant month at the present rent would consume more than eight months of that extra income, before cleaning, repairs or reletting effort. First establish...
The price-cut timing would be revealing. A reduction after a week suggests the opening price was being tested; one after several months may indicate a reluctant seller finally adjusting. If the renovated homes leave quickly without cuts, compare their asking price per usable area and location...
One more stress test: assume an immediate repair and an insurance claim requiring you to pay the excess, while the first mortgage payment and service charges arrive as expected. You do not need to predict the exact problem; just test whether that combination would force borrowing. If it would...