Fit an unvented hot water cylinder or Megaflo in ST11 from £3,816*

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 ST11?

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

Joule Zenith Pre-Plumbed Cylinder

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Fitted from £1,158*

Trids Gas and Plumbing Ltd

Fit or replace an unvented hot water cylinder cost in ST11 - Sort by rates or availability

From £2,569
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Heatzone Heating and Plumbing Solutions

(rates updated 03/10/26)

Heatzone Heating and Plumbing Solutions prides in delivering an excellent heating engineering service and value for money in ST11 and the surroundi...

From £2,469
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3d Gas & Plumbing Ltd

(rates updated 03/10/26)

Trusted and professional heating engineer in ST11. Experienced in all heating engineering work and keeping within budget and on quote. 3d Gas & Plu...

From £2,439
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ThermoTech Plumbing

(rates verified 03/10/26)

At ThermoTech Plumbing, we are experienced heating engineers.

From £2,327
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Trids Gas and Plumbing Ltd

Member since September 2026

With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. Trids Gas and Plumbing Ltd unde...

From £2,237
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ISS Facility Services

(last active 06/10/26)

If you are looking for a ST11 heating engineer and you need something replaced, fitted, or fixed, contact ISS Facility Services today. We are compe...

From £2,307
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Instaplumb

(last active 06/10/26)

With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. Instaplumb understands the impo...

From £2,239
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Plumbsafe Plumbing and Heating

(last active 06/10/26)

Fast response for all your heating engineering needs around ST11

Plumbsafe Plumbing and Heating are an established an...

From £2,205
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1 review

Power and Heating Solutions Ltd

(last active 06/10/26)

Power and Heating Solutions Ltd specialises in the design, supply and installation of heating  and boiler installs.These can be straight...

From £2,213
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Binnui Lloyd Heron

(last active 06/10/26)

Need the heating engineering job done quickly without breaking the bank? Binnui Lloyd Heron offer fast, reliable, and affordable heating engineerin...

From £2,301
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Assured Building Solutions

(last active 06/10/26)

Need the heating engineering job done quickly without breaking the bank? Assured Building Solutions offer fast, reliable, and affordable heating en...

Cheapest gas engineer to replace an unvented hot water cylinder in ST11

Estimates for fit or replace an unvented hot water cylinder near ST11

Prices for the installation of unvented hot water cylinders like Megaflo in ST11 range from the cheapest of £1,036 (Power and Heating Solutions Ltd based in ST5) to dearest of £1,400 (Heatzone Heating and Plumbing Solutions based in ST6), 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 ST11 by posting a job with HaMuch and we will send it to heating engineers in ST11.

Price range for Unvented Hot Water Cylinders


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Estimates for common heating engineer jobs in ST11;

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...