Range from the cheapest Fit a radiator £90 (Alliance Gas & Plumbing Service based in HD2) to the dearest Fit a radiator £177.50 (S & B Heating Limited based in BD19).
Comparing heating engineers estimates for fitting a new radiator in HD6 gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes. Radiators vary in price, and additional hours will be required to make pipework changes.
What to do - Get rates and quotes for removing your old radiator and replacing it with a new radiator by posting your job to heating engineers in HD6.

"Fit a radiator"
HX3
"Take out old radiator and replace with new radiator supplied "
HX3