How much are golf break pads and fitting likely to cost? Also a radiator?

Just taken my n reg golf to the garage, he found an oil leak straight away and said it's 6 for oil filter...probably will need my break pads changing as well....there's a water leak too...is this going to be expensive??How much are golf break pads and fitting likely to cost? Also a radiator?brake pads are about 45 bucks and thats for good ceramic pads and the radiator you can buy new for under 200 at kragen