Range from the cheapest fitting of TRVs (thermostatic radiator valves) £84 (Plumbrite123 based in W12) to the dearest fitting of TRVs£184 (FD Plumbing & Heating based in W4).
Comparing heating engineers estimates for fitting a Danfoss, Pegler or Hive TRV gives you an idea of who will be better value but the best way to compare costs is to get quotes.
What to do - Get rates and quotes to fit TRVs in Chiswick by posting a job on HaMuch and we will send it to heating engineers in Chiswick.
*All prices are estimates based on the hourly or day rate of heating engineers in Chiswick, UK TRV offers and materials.

"Fit three thermostatic radiator valves."
W4
"Remove 3 radiators and fit new ones including thermostatic valves. One is a tall vertical 1800x600 and the other 2 standard horizontal "
W12