Range from the cheapest replacing of a cold water storage tank £200 (Gas & Electrical Facilities based in HP22) to the dearest replacement of a cold water storage tank £400 (1970 based in SL9).
Comparing plumbers estimates for replacing a cold water storage 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 HP5 by posting a job with HaMuch and we will send it to plumbers in HP5.