You may like to try applying through their website: www.loanworks.com.sg
From what I was told by the consultants, some banks do pay penalty to refinance home loan with lock-in period but with slightly higher interest rate in which it is termed as "Load Up". After all, where got banks so stupid de. Hahahaha! Anyway, you guys can check out their website. They response quite fast.
HAPPY FINANCING GUYS!