Range from the cheapest installation of a gas fire £160 (APG Assist Plumbing & Gas based in W5) to the dearest installation of a gas fire £680 (ThePlumbers.org based in TW7).
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 Kew by posting a job with HaMuch and we will send it to heating engineers in Kew.