Range from the cheapest installation of a ground source heat pump £2250 (Ish Kumar based in TW5) to the dearest installation of a ground source heat pump £11250 (ThePlumbers.org based in TW7).
Comparing heating engineers estimates for installing a ground source heat pump 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 install a ground source heat pump in Tw by posting a job with HaMuch and we will send it to heating engineers in Tw.