Range from the cheapest Boiler service £48 (Nice Plumbs based in PO2) to the dearest Boiler service £168 (Local Gas Limited based in PO16).
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 PO1