2024 new boiler cost and installation guide

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Discover the cost of new boiler installation in 2024 with our comprehensive guide. Explore prices based on boiler type, brand, size, installation & complexity.

So, how much does a new boiler cost?

Purchasing a new boiler is no minor investment. Various elements contribute to the overall cost, including the boiler type, brand, installation complexity, and several other specifics. We at Padly strive to simplify this complex process, offering transparent and user-friendly services. This detailed guide explores every aspect of boiler costs in 2024, to help you make an informed decision.

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Understanding boiler costs

The cost of a new boiler installation is an investment that depends on multiple factors. From the type of boiler and its brand to its size, efficiency, and the complexity of the installation process, each of these factors contributes to the overall cost. On average, you can anticipate spending somewhere between £1,500 and £4,500 on a new boiler installation in 2024.

There are many factors that contribute to boiler pricing, such as:

Boiler types

Boiler installation costs are dependent on the type of model. There are three main types of boilers - combi, system, and regular. Combi boiler installations are usually the least expensive, starting from around £1,500, followed by system boiler installations (£1,700 starting price), and then regular boiler installs at (£1,800 and above).

Combi boiler prices

Combi boilers, also referred to as combination boilers are the most popular and affordable type of boiler in the UK, providing heat for radiators and hot water on demand. They are compact, do not require a storage tank, and are suitable for small to medium-sized homes. As they are relatively easy to install, combi boiler costs are usually lower, with prices starting around £1,500 per installation.

System boiler prices

System boilers require a storage cylinder for hot water. However, they take their water supply directly from the mains, unlike regular boilers. They are suited for homes with more than one bathroom and where lots of hot water usage is needed at the same time. System boiler costs begin at approximately £1,700 for an installation.

Regular boiler prices

Also known as traditional, conventional, or heat-only boilers, regular boilers are ideal for homes that already have a traditional heating and hot water system linked to a separate hot water cylinder. These boilers need a cold water storage tank in the loft to feed the hot water cylinder and another tank to maintain the water level of the central heating system. Regular boiler costs typically start from around £1,800 including installation.

How much do different boiler brands cost?

The brand of the boiler significantly influences the cost. Renowned brands like Worcester Bosch or Vaillant can charge premium prices due to their reputation for quality and reliability, however, there are reliable, efficient brands such as Ideal and Navien that offer budget-friendly boiler models.

Ideal boilers

An established British brand, Ideal Boilers has been delivering reliable home heating solutions for over a century. Offering an extensive range of energy-efficient combi, system, and heat-only boilers, Ideal is popular for its cost-effectiveness and excellent warranty terms. Ideal boiler installation costs start from approximately £1,600, offering a fusion of quality and value.

Worcester Bosch boilers

As one of the most reputable brands in the UK boiler market, Worcester Bosch is known for its cutting-edge engineering and high-quality products. Their boilers, whether combi, system, or regular, have consistently received top scores for efficiency, making them a favourite among homeowners. Expect Worcester boiler installation costs to start from approximately £1,900.

Alpha boilers

Alpha Heating Innovation is another well-respected UK brand, lauded for its combination of affordability and quality. Alpha's impressive range includes highly efficient combi and system boilers, boasting innovative technology and design. With competitive pricing, Alpha boilers are particularly attractive for homeowners seeking excellent value.

Navien boilers

An industry leader in condensing boiler technology, Navien is recognised globally for its advanced and eco-friendly boilers. Their high-efficiency boilers employ state-of-the-art technology, ensuring optimal performance, substantial energy savings, and reduced carbon emissions. Prices vary, reflecting the innovative technology and premium components used in Navien's products.

Boiler sizes and efficiency

Boiler size and efficiency play crucial roles in determining the cost of a boiler:


The size of a boiler refers to its heating output, usually measured in kilowatts (kW). The boiler size required depends on the size of your home, the number of bathrooms, and the amount of hot water needed. Generally, larger homes with multiple bathrooms will require a boiler with a higher kW output, which can increase the boiler cost.


In 2024, energy efficiency is not just a buzzword; it's a necessity. High-efficiency boilers can save a substantial amount on your energy bills over their lifespan, often offsetting their higher initial costs. For instance, replacing an old G-rated boiler with a modern A-rated boiler can save you approximately £300 annually. Additionally, high-efficiency boilers also contribute to lowering carbon footprints, aligning with global sustainability efforts.

Modern boilers are significantly more energy efficient than older models. High-efficiency (also known as condensing) boilers can convert more than 90% of their fuel into heat, compared to around 55% for older, non-condensing models. While these boilers can be more expensive upfront, the savings on your energy bills over time can compensate for this initial cost.

Installation complexity

The complexity of your installation will also affect the final boiler cost.

Straight swap

If you're replacing an old boiler with a new one of the same type in the same location, this is usually the most straightforward and least costly installation, with prices beginning from approximately £500.


If you're changing the type of boiler (for example, from regular to combi), the cost of fitting a new boiler will be more complex and expensive. This type of installation involves removing unnecessary components like hot water storage tanks and involves more pipework.

How much does it cost to move a boiler?

If you're moving your boiler to a different location in your home, this can significantly increase the cost of installation due to the additional pipework needed and the extra labour involved. Depending on how far the boiler is being moved, costs could reach up to an extra £1,500. You can find out more about the price to relocate your boiler here.

How much does the actual installation of a boiler cost?

Labour costs cover the overall expense of a boiler installation, and depend on several factors, including the time taken for installation, the number of engineers needed, and the intricacy of the job at hand. Your geographical location and the company you hire can also affect these costs.

Typically, the installation cost for a new boiler falls somewhere between £600 and £1,500, but this can vary depending on the specific nature of the installation. For instance, a straightforward combi swap, which typically takes about a day to complete, is quicker and hence, cheaper, compared to a back boiler conversion. The latter is a more complex operation, taking approximately two days and often necessitating more than one engineer.

Here at Padly, we streamline this process by providing a fixed-price quote encompassing the boiler installation cost. This means you don't have to grapple with different expenses or engage in complex calculations to ascertain the final amount. Opting for a boiler via Padly ensures a seamless, transparent, and worry-free experience.

Boiler installation costs with Padly

At Padly we pride ourselves on making the boiler installation process clear and straightforward:

Personalised approach

Each home is different, and therefore, the requirements for the boiler and installation process are unique. We understand this and offer a bespoke service tailored to each homeowner's needs.

Transparent pricing

We believe in clear, up-front pricing. There are no hidden charges or unexpected costs. Whether it's the boiler, valves, pipework, labour costs, or waste removal, we provide an itemised cost breakdown.

Aftercare services and costs

Aftercare service and maintenance are key to maintaining boiler performance:

Annual boiler servicing

To ensure your boiler operates at its best, an annual service is essential. This usually costs around £70-£130 and includes checking the boiler for potential issues, cleaning, and replacing parts if necessary.

Extended warranty

Most brands offer an extended warranty at an additional cost. This can cover the cost of parts and labour if something goes wrong with the boiler. It provides peace of mind, knowing you won't face hefty repair bills for the warranty period.

The cost of a boiler installation in 2024 is influenced by a multitude of factors, including the type and brand of the boiler, the complexity of the installation, and the specific requirements of your home. While the initial investment may seem substantial, it's crucial to remember that a modern, efficient boiler can lead to significant savings on your energy bills over time, making it a worthwhile investment. At Padly, we are committed to providing a transparent, stress-free experience, offering clear pricing and personalised service to meet your unique needs. We hope this guide has been helpful in providing a comprehensive understanding of the costs involved in new boiler installation. For a personalised quote or any further queries, please do not hesitate to contact us.

We're here to guide you every step of the way on your journey to a more efficient and comfortable home.