Range from the cheapest replacement of a header tank £171 (T J Plumbing based in WN2) to the dearest replacement of a header tank £401 (Combi Doctor Ltd based in WA3).
Comparing plumbers estimates for replacing an expansion header water tank for your central heating 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 a header tank in WN5 by posting a job with HaMuch and we will send it to plumbers in WN5.