Fit an unvented hot water cylinder or Megaflo in Sunbury-on-thames from £2,288*

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 Sunbury-on-thames? To see prices and availability for your job click green button.

Unvented Hot Water Cylinder
Unvented Hot Water Cylinder from £1,188*

Telford Tempest 250l Indirect Pre-Plumb Unvented Cylinder

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Fitted from £1,100*

A&E Gas Ltd

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From £2,369

Rates updated Oct 26
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Gas Mark 9

Gas Mark 9 prides in delivering an excellent heating engineering service and value for money in Sunbury-on-thames and the surrounding areas. Our g...

From £2,269

Rates updated Oct 26
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A&E Gas Ltd

With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. A&E Gas Ltd understands the imp...

From £2,169

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Osman Plumbing & Heating Services Ltd

Omar Osman

Member since May 2021

We always offer a professional and affordable service to our customers, where every customer is happy!

Check out our reviews! www.osmanplumbing...

From £2,189

Last active Nov 26
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Optimal Comfort Plumbing and Heating

Grant Johnson

Gas safe registered engineers with many years experience 

Contact us for a free quote on 07415633374 or at [email protected]...

From £2,811

Last active Nov 26
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5 Star Heating Limited

Tom Hedges

Engineers with over 18 years experiance working on gas appliances, 90 % 1st fix rate.

We carry 75 % van stock - on all boiler and system...

From £2,481

Last active Nov 26
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TLR Installations (Surrey) Limited

Rod Robinson

We are a trusted well established family run business working in the Surrey area, always happy to help no matter how large or small the job. 

From £2,311

Last active Nov 26
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Brick House Builders Ltd

Jatinder Kahlon

Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...

From £2,599

Last active Oct 26
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PHD Services Ltd

Nicolas Sherman-Clark

Phd q Services was formed in 1981. With over 40 years in the domestic and commercial domestic and commercial plumbing, heating sectors, the father ...

From £2,327

Last active Oct 26
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McEwan Plumbing & Heating

McEwan Plumbing & Heating is a trusted heating engineer serving customers in Sunbury-on-thames and the surrounding area. Contact us to today to get...

From £2,509

Last active Oct 26
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Tomasz Mazur

Tomasz Mazur

Over 15 years of experience in plumbing and heating. Very good understanding of heating and hot water controls.

Cheapest gas engineer to replace an unvented hot water cylinder in Sunbury-on-thames

Estimates for fit or replace an unvented hot water cylinder near Sunbury-on-thames

Prices for the installation of unvented hot water cylinders like Megaflo in Sunbury-on-thames range from the cheapest of £1,000 (Osman Plumbing & Heating Services Ltd based in TW3) to dearest of £1,642 (5 Star Heating Limited based in KT7), 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 Sunbury-on-thames by posting a job with HaMuch and we will send it to heating engineers in Sunbury-on-thames.

Price range for Unvented Hot Water Cylinders

"Fit or replace an unvented hot water cylinder" - KT12, job posted 09/02/26


Estimates for common heating engineer jobs in Sunbury-on-thames;

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...