An unvented hot water cylinder is a great option if you want to get rid of your water storage tank in the loft and improve your water pressure. But how much does it cost to install one in Merton? To see prices and availability for your job click green button.
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Select your affordable Merton heating engineer
From £2,069
Rod Goldson
Member since September 2026
24/7/365 Gas and Heating, plumbing Services: We undertake complete Gold standard domestic Gas, plumbing and central heating service, repairs a...
Experienced heating engineer ready to quote for your work. J&J Building Solutions is the best heating engineer in Merton. No obligation free quotes...
From £2,255
Greg Gibbs
Member since May 2025
Hi,we are a fair and honest company with years of experience in gas, heating and plumbing.Doing fault finding,servicing and all installation. W...
Des Thorpe
Merton, CR4
Experienced heating engineer ready to quote for your work. D Thorpe is the best heating engineer in Merton. No obligation free quotes and many happ...
Need to find a Heating Engineer near you for all your heating engineering work?
PMA Plumbing Services provides a local, trusted heating eng...
Dawid Palka
Merton, CR4
Professional highly skilled plumber with over 15 years experience. Providing excellent customer service, giving advice and help in a fr...
Bill Boorer
Bill Boorer Plumbing & Heating are here to help customers who need a Heating Engineer in Merton. We offer a competitive rate to complete all your h...
Joseph Franco Robolledo
Hi I am Gas Engineer and plumber for around 20 years. I am doing Boiler Installation, Boiler break down, Megaflows , Underfloor heating , ...
Trusted and professional heating engineer in Merton. Experienced in all heating engineering work and keeping within budget and on quote. A M D Heat...
Prices for the installation of unvented hot water cylinders like Megaflo in Merton range from the cheapest of £900 (24/7 Gas and Heating Services based in CR4) to dearest of £1,320 (JLF Plumbing & Heating based in SW16), but these are just estimates. Comparing heating engineers estimates gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an unvented hot water cylinder in Merton by posting a job with HaMuch and we will send it to heating engineers in Merton.
"Fit or replace an unvented hot water cylinder" - SM6, job posted 01/01/70
With energy prices rising, it’s important to do all you can to keep your bills as low as possible. And if you’ve got an old boiler, it could be wasting your money. But how much will it set you back to replace your boiler? We’ve got the answer plus costs for other heating sources like ground and air source heat pumps in our cost guides.
Fit underfloor heating - £1,113
Service a gas fire - £202
Replace a heating programmer - £222
Powerflush - £573 Visit
Heating oil tank installation - £1,202
Replace an oil boiler - £2,483
Install a new boiler - £1,503
Install heated skirting boards - £1,285
LPG boiler installation - £1,421
Install hydrogen boiler - £1,170
Install gas fire - £751
Install chimney liner - £478
Install biomass boiler - £5,177
Install a ground source heat pump - £14,199
Fix a boiler fault code - £134
Fit smart heating controls - £269
Fit a magnetic filter - £176
Fit a radiator - £198
Connect a gas cooker or hob - £214
Boiler service - £97
Boiler repair - £154
Boiler Insurance - £144 per month
Install an air source heat pump - £6,202
