Fit an unvented hot water cylinder or Megaflo in Welwyn from £2,375*

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

Unvented Hot Water Cylinder
Unvented Hot Water Cylinder from £1,169*

Ideal Thermstore indirect pre-plumbed cylinder system 210ltr

+
Fitted from £1,206*

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From £2,469

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Aphex Heating Engineers Ltd

Darren Smith

Member since November 2026

Looking for a Heating Engineer near Welwyn for all your heating engineering jobs?

Aphex Heating Engineers Ltd provide...

From £2,301

Rates verified Nov 26
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Property Solutions

Nigel Hamblett

Location

Welwyn, AL6

Homeowners look no further if you want a qualified heating engineer to work in your home. Property Solutions are tidy and neat, providing a quality...

From £2,345

Rates verified Nov 26
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SAS Plumbing Heating & Electrical Ltd

SIMON SMITH

Get a Heating Engineer in Welwyn who you can trust. SAS Plumbing Heating & Electrical Ltd provide friendly and reliable heating engineering service...

From £2,489

Last active Nov 26
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R J Fountain

R J Fountain is a one-stop solution for all your heating engineering needs. Establish over 10 years ago and covering 20 miles around Welwyn we prid...

From £2,499

Last active Nov 26
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Roscoe Plumbing & Co

Fast response for all your heating engineering needs around Welwyn

Roscoe Plumbing & Co are an established and experi...

From £2,301

Last active Nov 26
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GasForce

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

From £2,267

Last active Nov 26
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BM Plumbing And Heating

Approved heating engineer in Welwyn, covering 20 miles.

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

From £2,413

Last active Nov 26
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NC Gas

Need the heating engineering job done quickly without breaking the bank? NC Gas offer fast, reliable, and affordable heating engineering services i...

From £2,375

Last active Nov 26
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ACPlumbingsta

Fast response for all your heating engineering needs around Welwyn

ACPlumbingsta are an established and experienced h...

From £2,343

Last active Nov 26
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Matthew Lambden

Approved heating engineer in Welwyn, covering 20 miles.

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

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

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

Prices for the installation of unvented hot water cylinders like Megaflo in Welwyn range from the cheapest of £1,098 (BM Plumbing And Heating based in AL1) to dearest of £1,330 (Roscoe Plumbing & Co based in AL4), 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 Welwyn by posting a job with HaMuch and we will send it to heating engineers in Welwyn.

Price range for Unvented Hot Water Cylinders


Estimates for common heating engineer jobs in Welwyn;

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...