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Last updated on December 13th, 2023 at 11:49 am

Boilers play a vital role in the UK’s residential landscape. In fact, 23 million homes rely on them across the country.

From the hiss of steam to the hum of modern engineering, boilers have come a long way, and they have evolved to meet the unique needs of each home.

What Type of Boilers Do UK Homes Use?

Boilers power central heating and hot water systems in a staggering 23 million homes.

Among these, a remarkable 80% opt for the efficiency and convenience of combi gas boilers.

A combi gas boiler, short for a combination gas boiler, is a type of central heating and hot water system that provides both heating and hot water from a single unit. Combi boilers have gained immense popularity in the UK and other parts of the world due to their efficiency, space-saving design, and convenience.

But What Other Boilers Are Out There?

Electric Boilers

Ideal for homes without a gas supply, electric boilers rely on electricity to generate heat.

While they may not be as popular as gas boilers, their installation flexibility and compact design make them good options for a number of homes. Electric boilers prove particularly valuable for houses seeking an eco-friendly heating alternative.

LPG Boilers

For homes situated off the gas grid, liquid petroleum gas (LPG) boilers are a smart choice. LPG, a clean-burning fossil fuel, provides a good energy source for heating and hot water.

Though more common in rural areas, LPG boilers bring warmth to homes that may not have access to gas lines.

Oil Boilers

Oil boilers, like LPG counterparts, cater to residences that live off the conventional gas network.

By using heating oil, these boilers generate heat and hot water.

Oil boilers are renowned for their efficiency and, when coupled with modern technology, can offer good energy-saving benefits.

What Is the Average Cost of a New Boiler in the UK?

Understanding the financial aspect of boilers is important.

The cost of a new boiler installation is influenced by factors such as boiler type, size, installation complexity, and property location. Warmable helps you find the most cost-effective boiler installation services to help simplify the process.

From standard installations ranging between £1,200 to £5,000, the expenses can surge if additional work, like pipework upgrades, enter the picture. Combi boilers, the go-to choice for 80% of households, usually come with lower installation costs due to their straightforward design.

How Do I Choose the Best Boiler for Me?

Selecting the ideal boiler isn’t a one-size-fits-all process. Factors such as property size, heating and hot water requirements, and personal preferences play an important role.

A combi boiler offers the advantage of space efficiency and instant hot water, while a system or regular boiler might suit larger properties with multiple bathrooms. Considering your home’s unique needs and consulting professionals like those at Warmable can help pinpoint the perfect fit.

Which Boilers Are the Most Energy Efficient?

Boilers have a significant influence on our energy bills, making energy efficiency a key consideration.

On average, boilers contribute to about 55% of annual energy expenses. Choosing an energy-efficient boiler can mean substantial savings and a reduced carbon footprint. Regular servicing and maintenance also are likely to enhance efficiency and longevity, ensuring your investment goes a long way.

How Do I Find the Right Boiler for Me?

The path to the right boiler is a personal one. Acknowledging that a combi boiler suits 80% of UK households and that gas central heating is the preferred choice for 78% is a starting point.

Additionally, the property’s location can sway installation costs, with London and the Southeast typically incurring higher expenses. Collecting quotes and understanding the specifics of your unique situation are vital steps toward finding the boiler that aligns with your needs and budget. Warmable’s experts can help you do this, all with the click of a button.


The choice of boiler types, costs, and energy-efficient considerations may seem daunting, but they all contribute towards an efficient and cozy home.

With 23 million homes relying on these systems, understanding the details of boiler selection, installation, and maintenance is not just a choice, but a necessity.

So, whether you’re a homeowner, a prospective buyer, or simply curious about the world of boilers, feel free to get in touch with our experts to hear more about how you can efficiently heat your home.

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Andrew Speer

Andrew Speer is the co-founder of Warmable drawing on more than 15 years of experience working in property and home repairs industry in the UK