Range from the cheapest replacement of a header tank £126 (Brosnan based in L18) to the dearest replacement of a header tank £351 (South liverpool plumbing & gas services based in L17).
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 L18 by posting a job with HaMuch and we will send it to plumbers in L18.