Range from the cheapest fixing of error and fault codes £50 (Gas Install based in E16) to the dearest fixing of error and fault codes £180 (M K Heating based in E1).
Comparing heating engineers estimates for fixing boiler fault codes 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 to fix boiler fault codes in Outer London by posting a job with HaMuch and we will send it to heating engineers in Outer London.

"Need qualified Gas Safe engineer to install new boiler and pump. "
E14
"Fix a boiler fault code"
E14