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My lender got bought out by a bigger bank. Does that change my loan?

Bayley Clarke · Mortgage broker on the road · Last checked 16 October 2026 · 4 min read

The 60 second version, filmed from the driver's seat. The rest of this page is the detail underneath it.

What's actually moving this year

There's been plenty of talk this year about mergers and acquisitions in home lending. On the lenders I actually work with, there's one big book move in 2026: a regional bank being absorbed into one of the big four. If you bank with them, you've probably had a letter or an email and you're wondering what it means for your home loan.

The first answer is boring but true: it depends on what your bank is communicating to you at this point in time. Read what they send you, properly, rather than skimming it. The details of what carries across, what changes and when, will be in that communication, not in the headlines or in what a friend heard at a barbecue.

Where the banks actually split on this

Here's what's been published so far, and it's worth saying none of it is in either bank's lending policy yet. It comes from the banks' own customer pages and industry reporting, so treat it as the current plan, not a promise. The migration is targeted for the first half of 2027, so nothing moves overnight.

Your rate at handover is expected to carry across, and fixed rate terms are expected to be honoured until they expire. So if you're fixed, you ride that out as is. That lines up with what I'd expect: it isn't in a bank's interest to upset the customers it just acquired, because that's the fastest way to watch them refinance somewhere else.

The real difference is offsets. The two banks don't run offsets the same way. The acquiring bank allows one offset account per loan, so if you've set up several offset sub-accounts, the extra ones may stop reducing your interest after the move. On a decent savings balance that's real money. What happens to package features and fees hasn't been published yet.

If you don't want to be with the new brand

Some people chose their lender for a reason, and the new owner isn't it. Maybe you deliberately went with a smaller bank, or you've had a bad run with the bigger one before. If you just don't want to be with the bank you're being moved to, cool. That's reason enough. Get your loan reviewed and get switched out.

It's worth doing anyway. Options really have changed after the rate rises this year. A lot of banks I'm seeing are happy to match sharp rates to win customers, so you may well be able to get your current rate matched elsewhere, with a bank you actually want to be with, and an offset set-up that still works the way you use it.