Range from the cheapest installation of a gas fire £200 (Erjon Dulaj based in N16) to the dearest installation of a gas fire £720 (Citywide plumbing&heating based in N18).
Comparing heating engineers estimates for installing a gas fire 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 connect a gas fire in N15 by posting a job with HaMuch and we will send it to heating engineers in N15.