Fit an unvented hot water cylinder or Megaflo in Mansion House from £2,729*

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 Mansion House? 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 £1,258*

East London Gas & Heating

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From £3,669

Rates updated Sep 26
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Multivega+ Heating Services

Multivega+ Heating Services prides in delivering an excellent heating engineering service and value for money in Mansion House and the surrounding ...

From £2,361

Rates verified Oct 26
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National Gas Connects & Plumbing

National Gas Connects & Plumbing is a one-stop solution for all your heating engineering needs. Establish over 10 years ago and covering 20 miles a...

From £2,535

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Diamond Gas Ltd

Jakir Uddin

Member since September 2026

Gas, heating and plumbing services, including boiler installations, servicing and repairs, Vaillant and other leading boiler brands, gas safety che...

From £2,401

Rates verified Sep 26
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JM HEATING AND PLUMBING SERVICES LTD

Fast response for all your heating engineering needs around Mansion House

JM HEATING AND PLUMBING SERVICES LTD are an...

From £2,471

Rates verified Sep 26
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Majestic Building Maintenance Ltd

If you are looking for a Mansion House heating engineer and you need something replaced, fitted, or fixed, contact Majestic Building Maintenance Lt...

From £2,427

Rates verified Sep 26
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East London Gas & Heating

Fast response for all your heating engineering needs around Mansion House

East London Gas & Heating are an establishe...

From £2,339

Rates verified Sep 26
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Madyson Global Trade Ltd

Get a Heating Engineer in Mansion House who you can trust. Madyson Global Trade Ltd provide friendly and reliable heating engineering services to t...

From £2,351

Last active Oct 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £2,793

Last active Oct 26
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Heat Hero

James Stokes

WELCOME TO HEAT HEROPlumbing and Heating Services anywhere in the M25.Heat Hero is a London based plumbing and heating company th...

From £2,409

Last active Oct 26
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Akello Plumbers

Relax... you have found a reliable heating engineer in Mansion House. Akello Plumbers is a friendly and reliable company based in Mansion House who...

Cheapest gas engineer to replace an unvented hot water cylinder in Mansion House

Estimates for fit or replace an unvented hot water cylinder near Mansion House

Prices for the installation of unvented hot water cylinders like Megaflo in Mansion House range from the cheapest of £1,170 (Madyson Global Trade Ltd based in WC2H) to dearest of £2,500 (Multivega+ Heating Services based in SE1), 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 Mansion House by posting a job with HaMuch and we will send it to heating engineers in Mansion House.

Price range for Unvented Hot Water Cylinders

"Fit or replace BAXI boiler and MEGAFLOW on the ground floor kitchen. The current old floor-standing boiler is in the basement. (approx. 12m pipe run from the meter)" - EC1, job posted 08/04/23

"Fit or replace an unvented hot water cylinder" - EC1, job posted 08/02/23


Estimates for common heating engineer jobs in Mansion House;

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...