Is it possible to repair an electric fire?

Our electric fire is about 4 years old (Berry 2KW fan heater with flame effect) The heat output has suddenly reduced itself and the fire is no longer heating our room properly I can't seem to find anyone locally who can repair it. (Looked in yellow pages and domestic appliance repairs don't seem to include fires) Is it best to forget about repair and buy new or are there still people around who will repair electric fires?