Range from the cheapest Boiler service £40 (Ajm services based in M44) to the dearest Boiler service £170 (SLC ELECTRICAL & BUILDING SERVICES LIMITED based in M16).
Comparing heating engineers estimates for a Boiler service 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 a boiler service by posting your job to heating engineers in M27