Range from the cheapest replacement of a header tank £105 (Town and Country Gas Ltd based in ST5) to the dearest replacement of a header tank £401 (R Benjamin Plumbing and Heating based in st10).
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 St by posting a job with HaMuch and we will send it to plumbers in St.