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Which are the Best Cheap Boilers?

Hannah Maza
By: Hannah Maza
Updated: 20th July 2022

Best cheap boilers

Finding the best cheap new boiler for your house while staying within your budget might be challenging because there are many manufacturers and boiler models providing a wide array to choose from.

Before purchasing a cheap new boiler, there are many factors to consider, such as the new boiler cost, warranty, brand, and more. But don’t worry, we did all the research and found the best cheap boilers to buy in 2022 for you.

To begin with, we'll point out that buying the cheapest boiler isn't always the best course of action. Cheaper boilers may need more frequent repairs and replacements much sooner than more expensive or higher quality ones. Essentially, you get what you pay for.

Having said this, there are many reliable and efficient cheap boilers available on the market. And many are manufactured by leading boiler brands.

Most Popular Boiler Brands Survey

From a survey with over 1,400 people, Boiler Guide found the top 5 boiler brands in the UK. All of the top brands are reputable and have very popular boiler models. In first place with 42% of the installations is Worcester Bosch, followed by Vaillant, Ideal, Baxi, and Viessmann.

In the rest of this guide, you'll find the best cheap boilers to buy in 2022 from the best boiler brands on the market, what to look out for buying cheap boilers, and the best strategy to buy budget boilers.

Cheap combi boiler deals

Combi boilers are often the cheapest type of boiler and tend to be popular because they're space-efficient and don't need to be installed alongside any tanks or cylinders. Combi boiler prices start at around £500 and can rise to over £2,000, excluding installation costs.

While it isn't unheard of for combi boilers to cost more than £2,000, most fall below this figure. Top boiler manufacturers can sell cheaper boilers at low-cost points. For example, one of the cheapest combi boilers is Baxi's 224 combi gas boiler which sells for £549, excluding installation costs.

So, how do you find cheap combi boilers for sale in the UK? The best and simplest way is to compare combi boiler offers from Gas Safe registered engineers. Boiler engineers are able to provide accurate and reliable quotes for your personal home heating situation in your local area.

We can help you save time and effort by providing you with up to 3 free comparison quotes from Gas Safe registered engineers in your area. After receiving quotes, you can then choose the best combi boiler deal for you.



Best combi boilers under £1,000

We've found the 5 best combi boilers under 1000 pounds from the top manufacturers for you. These provide the best value for their price. You can compare them in the table below.

Brand Worcester Bosch Vaillant Ideal Baxi Viessmann
Model Greenstar 2000 ecoFIT Pure 825 ESP1 224 Vitodens 050-W 25kW
Central Heating Output 20kW 19.1kW 25kW 21.8kW 19kW
Domestic Hot Water Output 25kW 25.2kW 30kW 24kW 25.4kW
Efficiency 93% 94% 94% 93% 92%
Warranty Up to 6 years 10 years 2 years 3 years up to 10 years
Average Price
(Excluding Installation)
£730 £907 £714 £549 £800

Best combi boilers under £2,000

If you have a larger budget than £1,000, then we've also found the 5 best budget combi boilers under £2,000 for you. These boilers offer a higher output size than the slightly cheaper ones, but still provide the best value for their price. You can compare them in the table below.

Brand Worcester Bosch Vaillant Ideal Baxi Viessmann
Model Greenstar 8000 Life 30kW ecoTEC plus 832 Vogue Max C32 836 Vitodens 100-W
Central Heating Output 30kW 25.7kW 26kW 26.4kW 25kW
Domestic Hot Water Output 30.2kW 31.8kW 32kW 26kW 31.7kW
Efficiency 94% 94% 93% 93% 94%
Warranty Up to 12 years 10 years 10 years 10 years up to 12 years
Average Price
(Excluding Installation)
£1,200 £1,248 £1,206 £1,205 £1,292

If you're looking for the overall best combi boilers in 2022, and not just the cheapest, we have a guide that can help you find the best one for you.

Cheap system boiler deals

The cost of system boilers, on average, range from £700 to £2,600, excluding installation costs. System boilers tend to be popular for households that have a high hot water demand because they have an unvented cylinder that stores the hot water. With that being said, one of the largest system boilers has an output size of 99kW and can reach prices as high as £3,837.

However, 99kW is higher than needed for domestic boilers. For a small household with up to 10 radiators, one of the cheapest regular boilers is the Baxi Megaflo System 15 which costs £711. If you're unsure what boiler size you need, you can get advice from a boiler engineer who can provide you with quotes.

We recommend getting quotes from up to 3 boiler engineers so that you can compare prices and avoid overpaying. We can help you save time and money by providing you with up to 3 free comparison quotes from Gas Safe registered engineers in your area. After receiving quotes, you can then choose the best system boiler deal for you.



Best system boilers under £1,000

In the table below you'll find the 5 best system boilers under £1,000 from the top manufacturers. These provide the best value for their price. You can compare these budget boilers in the table below.

Brand Worcester Bosch Vaillant Ideal Baxi Viessmann
Model Greenstar 9i ecoFIT Pure 612 Logic System S15 Megaflo System 15 Vitodens 100-W B1HF
Central Heating Output 9.2kW 12.3kW 15kW 15kW 19kW
Efficiency 93% 94% 93% 91% 94%
Warranty Up to 8 years 10 years 2 years 7 years up to 12 years
Average Price
(Excluding Installation)
£899 £894 £785 £711 £995

Best system boilers under £2,000

If you have a larger budget than £1,000, then we've also found the 5 best budget system boilers under £2,000 for you. You can compare these budget boilers in the table below by their output, efficiency, warranty, and price.

Brand Worcester Bosch Vaillant Ideal Baxi Viessmann
Model Greenstar 8000 Life 30kW ecoTEC plus 624 Vogue GEN2 S32 Platinum+ 32kW Vitodens 100-W B1HC 32kW
Central Heating Output 30kW 24.4kW 32kW 32kW 32kW
Efficiency 94% 94% 93% 92% 94%
Warranty Up to 12 years 10 years 10 years 10 years up to 12 years
Average Price
(Excluding Installation)
£1,236 £1,227 £1,264 £1,032 £1,175

If your budget is larger than £2,000, then you may be interested in our guide on the overall best system boilers in 2022.

Cheap regular boiler deals

Generally, regular boilers range from £500 to £2,700, excluding installation costs. The price typically depends on the size of the boiler you're installing. Some larger regular boiler prices can be as high as £3,000.

However, typically you can find cheaper boilers from reputable brands starting at around £700. For instance, Baxi's 215 heat-only boiler, costing £690, is the cheapest regular boiler of the top 5 boiler manufacturers.

The total cost of getting a regular boiler will increase when the boiler installation is considered. As regular boilers need to be installed with a hot water cylinder and cold water cistern, it is recommended to get a new regular boiler only if you're replacing an existing one.

Ultimately, the installation cost depends on your current heating system. A boiler engineer will be able to give you more accurate quotes for your total boiler cost, including the installation and any extra parts, such as the flue and filter. If you would like to get quotes for cheap new boilers, we can help you get up to 3 quotes so that you can compare them.



Best regular boilers under £1,000

We've found the 5 best regular boilers, also called heat-only boilers, under £1,000 from the top manufacturers, for you. These provide the best value for their price. You can compare these budget boilers in the table below.

Brand Worcester Bosch Vaillant Ideal Baxi Viessmann
Model Greenstar 12Ri ecoFIT Pure 415 Logic Heat H12 215 Heat Vitodens 100-W B1GA 16kW
Central Heating Output 12kW 15.2kW 12kW 15kW 16kW
Efficiency 92% 94% 93% 93% 92%
Warranty Up to 8 years 10 years 2 years 3 years up to 12 years
Average Price
(Excluding Installation)
£814 £792 £712 £690 £998

Best regular boilers under £2,000

We’ve gathered the leading manufacturers’ 5 best standard boilers under £2,000 for you. These offer the best value for the money. The table below compares several discount boilers.

Brand Worcester Bosch Vaillant Ideal Baxi Viessmann
Model Greenstar 8000 Life 30kW ecoTEC Pure 430 Logic Max Heat H30 Assure Heat 30 Vitodens 100-W B1GA 25kW
Central Heating Output 30kW 30.5kW 30.3kW 30kW 25kW
Efficiency 94% 94% 93% 93% 92%
Warranty Up to 12 years 10 years 10 years 2 years up to 12 years
Average Price
(Excluding Installation)
£1,255 £1,002 £1,117 £1,075 £1,156

How can you find the best cheap boiler?

How to find the best cheap boiler

When trying to find the best cheap boiler, it is good to know what makes one boiler more expensive than another. There are several factors that affect the price:

  • Output rating (heating demand)
  • Warranty period
  • Heating controls
  • Complexity of the installation
  • Manufacturer
  • Additional parts (e.g. magnetic filter, smart thermostat)

You can save more money by arranging the installation during the summer. Heating engineers tend to be less busy during the summer months which can reduce costs.

Plus, replacing your boiler when you’re less likely to need the heating will reduce disruption and you’ll have a new efficient heating system in place before winter comes around.

In addition to these factors, you also need to consider how and where you're looking for cheap boiler deals. You may be eligible for a government boiler grant or scheme that can help cover some if not all of the cost. An often overlooked strategy to find the best cheap boiler deals is to compare prices from up to 3 boiler engineers near you.

By comparing quotes from heating engineers, you can be confident that you’re getting a fair price. If you were to receive a single quote you wouldn’t know if you were being overcharged. If you're looking for quotes, we can help save you time and give you advice by providing you with up to 3 quotes from local heating engineers near you.



What not to do when finding a cheap boiler

When looking for a cheap new boiler, it is good to keep in mind that there are some trade-offs and risks you take with getting the cheapest boiler. You may save on upfront costs, but you take the risk of incurring higher repair costs in the future. Cheap boilers also tend to have shorter warranties, lower energy efficiency, and lower quality parts.

However, when getting a cheap boiler, you can minimise some of this risk if you don't get a cheap boiler from an unreputable brand. Another way to minimise the risk of high repair costs is by not forgetting to get an annual boiler service.

Ultimately, when looking for a cheap boiler, you should never skip the boiler comparison step as you risk overpaying. If you want to compare multiple boilers at once, you can use the simple Boiler Guide boiler comparison tool.

FAQ

How much does a cheap boiler cost?
The price of a boiler can range anywhere from around £500 to £3,000 depending on the boiler type and size. Combi boilers tend to be the most popular and the cheapest in the UK. There are many cheap combi boiler deals that you find with the cheapest being £549.

What type of boiler is cheapest to run?
Combi boilers tend to be the cheapest boiler type to run as they have high energy efficiencies. They are also the most popular boiler type in the UK. If you're on a budget, you can find many cheap combi boilers under £1,000 from top manufacturers.

How can I get a boiler for free?
If you're on a budget, there are many ways to find a cheap boiler. You can receive a grant to help cover part of the costs, or you may even be eligible for a free boiler if you qualify under a government scheme.

Can I get my old boiler replaced for free?
It is also possible to get a boiler for free through boiler grants and schemes, however, you need to qualify to be eligible to receive one. Most of the free boiler grants and schemes are intended for low-income households to reduce fuel poverty or help reduce carbon emissions. It is worth considering if your boiler is very old and has low energy efficiency. Otherwise, finding deals for budget boilers is your next best option to find an affordable boiler.

Hannah Maza

About the author

Hannah Maza

Hannah is our resident home heating expert with experience writing about energy-saving solutions. She continues to research the future of heating and renewable energy as the landscape changes.

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