Three weeks since ASB kicked off competition among banks for the year, Westpac has this morning announced cuts to three of its fixed mortgage rates.
And the bank is encouraging customers to "make hay while the sun shines".
Westpac has reduced its one-year rate from 5.25 per cent to 4.89 per cent, its three-year rate from 5.90 per cent to 5.39 per cent, and its five-year rate from 5.99 per cent to 5.75 per cent.
Late last month, ASB cut three of its fixed home loan rates by 0.15 per cent, while lifting its two-year rate by 0.20 per cent.
Westpac spokesperson Ian Blair said the bank was unsure how long it could sustain the rates for and would be reviewing them weekly.