Range from the cheapest replacement of a programmer £115 (Plumbrite123 based in W12) to the dearest replacement of a programmer £165 (My Plumber Man Ltd based in SW6).
Comparing heating engineers estimates for replacing a programmer 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 replace your heating digital programmer in SW13 by posting a job with HaMuch and we will send it to heating engineers in SW13.

"Replace a heating programmer"
TW9
"Replace a heating programmer and room thermostat "
TW10