Range from the cheapest replacement of a programmer £120 (Touch of Heat based in E1) to the dearest replacement of a programmer £170 (RD plumbing and heating services ltd based in SE15).
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 SE1 by posting a job with HaMuch and we will send it to heating engineers in SE1.

"Replace a heating programmer"
ENGLAND
"Replace a gas central heating programmer"
BANK OF ENGLAND