Range from the cheapest Fit a radiator £90 (Gusttydo Ltd based in RM10) to the dearest Fit a radiator £240 (Kmgengineers based in RM6).
Comparing heating engineers estimates for fitting a new radiator in RM9 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 RM9.

"Take of old and Fit a radiator"
RM8