Range from the cheapest fit a radiator £50 (Gifford Property Services based in PO9) to the dearest fit a radiator £150 (Domestic Gas Services based in PO7).
Comparing heating engineers estimates for fit a radiator gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for removing and replacing a radiator in your home by posting your job to heating engineers in PO8.