Fit an unvented hot water cylinder or Megaflo in CO2 from £2,825*

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 CO2? To see prices and availability for your job click green button.

Unvented Hot Water Cylinder
Unvented Hot Water Cylinder from £1,471*

Gledhill SL Pro Indirect 250l Pre Plumbed Unvented Cylinder

+
Fitted from £1,354*

MrMax Gas Services

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From £2,419

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SCAF Plumbing & Heating Limited

Silvius Scarfaru

Member since October 2026

SCAF Plumbing & Heating Limited is a one-stop solution for all your heating engineering needs. Establish over 10 years ago and covering 20 miles ar...

From £2,523

Rates verified Oct 26
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MrMax Gas Services

If you are looking for a CO2 heating engineer and you need something replaced, fitted, or fixed, contact MrMax Gas Services today. We are competiti...

From £2,259

Last active Nov 26
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Pipe To Perfection

With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. Pipe To Perfection understands ...

From £2,301

Last active Nov 26
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Ideal Temperature

Need the heating engineering job done quickly without breaking the bank? Ideal Temperature offer fast, reliable, and affordable heating engineering...

From £2,417

Last active Nov 26
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Ikon Mechanical Services Ltd

Approved heating engineer in CO2, covering 20 miles.

Whatever heating engineering work you need, including emergency repairs, hire a compete...

From £2,491

Last active Nov 26
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LJ Blowers Plumbing and Heating

Homeowners look no further if you want a qualified heating engineer to work in your home. LJ Blowers Plumbing and Heating are tidy and neat, provid...

From £2,275

Last active Nov 26
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Bussey Plumbing & Heating

Get a Heating Engineer in CO2 who you can trust. Bussey Plumbing & Heating provide friendly and reliable heating engineering services to the CO2 a...

From £2,409

Last active Nov 26
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A P Smith

Get a Heating Engineer in CO2 who you can trust. A P Smith provide friendly and reliable heating engineering services to the CO2 area, covering a 2...

From £2,489

Last active Oct 26
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CLT Plumbing and Heating

Homeowners look no further if you want a qualified heating engineer to work in your home. CLT Plumbing and Heating are tidy and neat, providing a q...

From £2,215

Last active Oct 26
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Colchester Gas Services

Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...

Cheapest gas engineer to replace an unvented hot water cylinder in CO2

Estimates for fit or replace an unvented hot water cylinder near CO2

Prices for the installation of unvented hot water cylinders like Megaflo in CO2 range from the cheapest of £1,046 (Colchester Gas Services based in CO5) to dearest of £1,354 (MrMax Gas Services based in CO2), 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 CO2 by posting a job with HaMuch and we will send it to heating engineers in CO2.

Price range for Unvented Hot Water Cylinders

"Fit or replace an unvented hot water cylinder" - COLCHESTER, job posted 13/07/26


Estimates for common heating engineer jobs in CO2;

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...