Most Australian banks and mortgage insurers maintain internal lists of postcodes where they restrict or decline lending. These restrictions typically mean lower maximum LVR, no LMI availability, or outright declines.
There's no single public database. Each lender has their own restricted postcode list. The most efficient way to check is through a mortgage broker who can query multiple lenders.
Yes, but with restrictions. Most lenders cap LVR at 50–70% for mining towns, meaning you need a larger deposit.
Yes. If you own in a restricted postcode and want to refinance, you may find fewer lender options.