BeyondBank HomeLoan 4.59% (Comparison Rate 4.59%)
For new variable rate home loans of $150,000 or more with minimum 20% deposit.
http://www.beyondbank.com.au/personal-banking/home-loans/hom…
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Home loan features:
No establishment fee
No monthly fee
Lump sum payments without penalty
100% offset
Construction Loan available
Personal service and a range of other banking benefits available
Refinancing should be fine.
Recently come out at 12/01/15, if not mistaken!
http://prwire.com.au/pr/49109/beyond-bank-launches-a-special…
RateCity
http://www.ratecity.com.au/home-loans/beyond-bank/variable-r…
Compare with other home loan, most don't do construction loan at this rate…
Loans.com.au has a better rate for purchase/refinance - 4.48% (4.50% comparison rate) - but you're right, for a construction loan you're unlikely to find a better rate.