Range from the cheapest Boiler service £100 (Crown Gas Plumbing & Heating based in CR8) to the dearest Boiler service £170 (Construction based in SM6).
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 CR5