Range from the cheapest installation of a ground source heat pump £2850 (Ray O'Connor based in DA15) to the dearest installation of a ground source heat pump £6000 (Proplumb & Heating Services based in BR5).
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 DA14 by posting a job with HaMuch and we will send it to heating engineers in DA14.