If I were to place a considerable amount of money on my home loan would I be able to
refinance the loan after I have payed the lump sum.
Assuming that you have a variable rate loan and have placed a lump sum onto the loan those 'lump sum' funds would be available for you to redraw (if you have that feature on your current loan).
If you applied to refinance the loan with another Lender after placing this lump sum onto your current loan 2 things can happen:
If you have any more questions feel free to call us for a chat on 02 4226 5555.