Range from the cheapest Boiler service £60 (T Graham Plumbing & Heating based in FK1) to the dearest Boiler service £130 (E&Y gas and heating based in ML1).
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 Shotts