What is Floating Interest Rate for housing loans As the name suggests, floating interest rate varies with the market scenario. If you opt for a home loan with a floating interest rate, it means that you will be subjected to a base rate and a floating element will be added. This means that if the base rate changes, the floating rate will also vary. The main highlight of floating interest rate is that they are cheaper than fixed interest rate home loan flat loan , mortgage loan housing loan, loan against property , building construction loan , mortgage loan process