Is the light properly going off when you shut the door? Ours wasn't, and it was warming the top shelf. Also, the back left corner of the bottom shelf freezes things when it shouldn't. The light problem was caused by the door switch wearing out. Can you hear a faint buzzing when the door is shut? (as opposed to the usual fridgey hum). Be careful if you fiddle with the bulb - it could be as much as 230v. Our fridge/freezer is also a Hotpoint, and is 16 years old. We're scrapping it as soon as we can afford to.