Range from the cheapest fitting of TRVs (thermostatic radiator valves) £114 (Heat Input Plumbers based in NW5) to the dearest fitting of TRVs£214 (FixGas based in N4).
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 N1c by posting a job on HaMuch and we will send it to heating engineers in N1c.
*All prices are estimates based on the hourly or day rate of heating engineers in N1c, UK TRV offers and materials.

"Fit thermostatic radiator valve (TRVs) in one radiator that currently has an old-fashioned valve."
LONDON
"Fit thermostatic radiator valves (TRVs)"
N19