Fit an unvented hot water cylinder or Megaflo in W12 from £2,952*

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 W12?

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Fitted from £1,250*

CH Plumbing & Heating

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Fit or replace an unvented hot water cylinder cost in W12

Plumbrite123

From £2,133

Location

Dunstable, W12

Need to find a Heating Engineer near you for all your heating engineering work?

Plumbrite123 provides a local, trusted heating engineering ...

Warmello Property Services

From £2,429

Warmello Property Services prides in delivering an excellent heating engineering service and value for money in W12 and the surrounding areas. Our...

CH Plumbing & Heating

From £2,419

I am very reliable, honest and trustworthy. I enjoy solving difficult problems. I have over 20 years plumbing and heating experience. No job too bi...

Checkmate Gas

From £2,551

Checkmate Gas are based in W12, we have over 10 years experience helping landlords, architects and home owners all over London with their h...

Upperplumbers

From £2,297

Trusted and professional heating engineer in W12. Experienced in all heating engineering work and keeping within budget and on quote. Upperplumbers...

National Plumbers

From £2,419

National Plumbers is a trusted heating engineer serving customers in W12 and the surrounding area. Contact us to today to get a competitive quote f...

David Plumbing Co.Ltd

From £2,271

Member since August 2026

Location

London, W12

Davidplumbing co.ltd   specialists leak repair and general plumbing no job too big or small 

Staunch And Flow Limited

From £2,345

Staunch and Flow is a small, experienced, and cost-effective London-based plumbing/heating engineering firm. We specialise in kitchen and bathroom ...

Action Services UK

From £2,361

Need to find a Heating Engineer near you for all your heating engineering work?

Action Services UK provides a local, trusted heating engine...

Gas Fitter

From £2,409

Need to find a Heating Engineer near you for all your heating engineering work?

Gas Fitter provides a local, trusted heating engineering se...

Cheapest gas engineer to replace an unvented hot water cylinder in W12

Estimates for fit or replace an unvented hot water cylinder near W12

Prices for the installation of unvented hot water cylinders like Megaflo in W12 range from the cheapest of £964 (Plumbrite123 based in W12) to dearest of £1,382 (Checkmate Gas based in W12), 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 W12 by posting a job with HaMuch and we will send it to heating engineers in W12.

Price range for Unvented Hot Water Cylinders

"Fit or replace an unvented hot water cylinder" - W12, job posted 01/01/70

"Replace an unvented hot water cylinder 200 litres" - W8, job posted 03/07/24


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Estimates for common heating engineer jobs in W12;

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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