Aussie Big 4 banks raise home interest rates by 0.25%

ANZ, CBA, and NAB’s changes are effective 27 March 2026

Australia’s four biggest banks have all raised their home interest rates by 0.25% per annum.

ANZ, the Commonwealth Bank of Australia (CBA), National Australia Bank (NAB), and Westpac all noted the central bank’s decision to raise its official cash rate in announcements released on 17 March 2026.

Customers of ANZ, CBA, and NAB will see the changes beginning 27 March, whilst Westpac is increasing home loan variable interest rates effective 31 March.

A 0.25% p.a. increase to variable home loan rates will increase monthly repayments by approximately $80 on a variable home loan of $500,000 for an owner occupier loan with principal and interest repayments, according to estimates by ANZ.

Westpac, meanwhile, said that it will also increasing the interest rate on their “most popular” savers product, as well as the Westpac Life total variable rate with bonus interest.