Fit an unvented hot water cylinder or Megaflo in Merton from £3,770*

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.

Unvented Hot Water Cylinder
Unvented Hot Water Cylinder from £2,658*

Joule Zenith Pre-Plumbed Cylinder

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Fitted from £1,112*

A M D Heating

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From £2,069

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24/7 Gas and Heating Services

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...

From £2,363

Rates verified Sep 26
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J&J Building Solutions

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

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G S G Heating & Plumbing

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...

From £2,149

Last active Oct 26
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D Thorpe

Des Thorpe

Location

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...

From £2,139

Last active Oct 26
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PMA Plumbing Services

Need to find a Heating Engineer near you for all your heating engineering work?

PMA Plumbing Services provides a local, trusted heating eng...

From £2,305

Last active Oct 26
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Dawid Palka & Plumbing

Dawid Palka

Location

Merton, CR4

Professional  highly  skilled plumber with over 15 years experience. Providing excellent customer service, giving advice and help in a fr...

From £2,403

Last active Oct 26
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Bill Boorer Plumbing & Heating

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...

From £2,489

Last active Oct 26
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JLF Plumbing & Heating

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 , ...

From £2,281

Last active Oct 26
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A M D 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...

From £2,085

Last active Oct 26
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Camkoff Plumbing and Heating Services

camkoff

service quality and honesty

Cheapest gas engineer to replace an unvented hot water cylinder in Merton

Estimates for fit or replace an unvented hot water cylinder near Merton

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.

Price range for Unvented Hot Water Cylinders

"Fit or replace an unvented hot water cylinder" - SM6, job posted 01/01/70


Estimates for common heating engineer jobs in Merton;

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.

More heating cost guides...