Fit an unvented hot water cylinder or Megaflo in CW12 from £2,465*

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 CW12? To see prices and availability for your job click Get quotes.

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Fitted from £974*

Fusion Gas

HaMuch is Excellent

Fit or replace an unvented hot water cylinder cost in CW12 - Sort by rates or availability

From £2,143

(last active 31/08/26)
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Fusion Gas

Experienced heating engineer ready to quote for your work. Fusion Gas is the best heating engineer in CW12. No obligation free quotes and many happ...

From £2,213

(last active 16/10/25)
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AAA Gas Ltd

Hello Welcome to AAA GAS LTD we are a family run business who specialises in heating and plumbing work. We do all aspects of domestic gas work incl...

Cheapest gas engineer to replace an unvented hot water cylinder in CW12

Estimates for fit or replace an unvented hot water cylinder near CW12

Prices for the installation of unvented hot water cylinders like Megaflo in CW12 range from the cheapest of £974 (Fusion Gas based in ST8) to dearest of £1,044 (AAA Gas Ltd based in CW12), 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 CW12 by posting a job with HaMuch and we will send it to heating engineers in CW12.

Price range for Unvented Hot Water Cylinders


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Estimates for common heating engineer jobs in CW12;

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.

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