Range from the cheapest installation of a ground source heat pump £2250 (M G Willmott Drainage based in TW11) to the dearest installation of a ground source heat pump £11400 (Drain Doctor Plumbing based in TW9).
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 TW1 by posting a job with HaMuch and we will send it to heating engineers in TW1.