Top 8 Tips To Get The Best Combi Boiler Quotes Online

Combi boilers have become a popular choice among homeowners due to their efficiency, compact size, and cost-effectiveness. However, before you install a combi boiler, it’s important to understand the quotes you receive from various installers. In this blog post, we’ll discuss everything you need to know about combi boiler quotes and how to get the best deal for your home.

What is a Combi Boiler?

A combi boiler, also known as a combination boiler, is a type of boiler that provides hot water and central heating without the need for a separate water tank. Combi boilers are ideal for small to medium-sized homes as they take up less space than traditional boilers and provide on-demand hot water, which means you don’t need to wait for a tank to heat up before using hot water.

When to Get a Combi Boiler Quote

Getting a combi boiler quote should be one of the first steps when considering replacing your boiler. If you’re experiencing problems with your current boiler, such as a lack of hot water or a breakdown, it’s essential to get a quote as soon as possible. You should also consider getting a quote if your boiler is over ten years old, as it may not be as energy-efficient as newer models.

What to Expect in a Combi Boiler Quote

A combi boiler quote will typically include the cost of the boiler, installation, and any additional work required to fit the boiler, such as upgrading pipework or adding thermostats. It’s essential to read the quote carefully and ask any questions you may have before agreeing to any work.

The cost of a combi boiler will vary depending on the size of your home and your hot water usage. The installer will need to assess your property’s heating and hot water requirements before providing a quote. It’s important to remember that the cheapest quote may not always be the best option, as cheaper models may not be as efficient or reliable as more expensive models.

Factors Affecting Combi Boiler Quotes

Several factors can affect the cost of a combi boiler quote, including the size of your home, the number of bathrooms, and the type of boiler you choose. Other factors that may impact the quote include:

  1. Boiler Type: The type of combi boiler you choose will affect the cost of the installation. There are several types of combi boilers available, including gas, oil, and electric.
  2. Boiler Size: The size of the boiler you need will depend on your home’s hot water and heating requirements. A smaller boiler will be cheaper to install, but it may not be powerful enough to provide enough hot water for larger homes.
  3. Brand: The brand of the boiler can also affect the cost of the quote. Well-known brands may be more expensive, but they are often more reliable and efficient.
  4. Installation: The cost of installation will depend on the complexity of the job. If additional work is required, such as upgrading pipework or installing a new thermostat, this will increase the cost of the quote.
  5. Warranty: The length and type of warranty can also affect the cost of the quote. A longer warranty may be more expensive, but it can provide peace of mind that your boiler is covered if anything goes wrong.

Tips for Getting the Best Combi Boiler Quote

  1. Research: Do your research and compare quotes from several installers. Look for installers with good reviews and ask for references from previous customers.
  2. Get a Home Survey: Most reputable installers will offer a free home survey to assess your heating and hot water requirements. This will help them provide an accurate quote.
  3. Check Accreditation: Look for installers that are accredited by a professional body such as Gas Safe or OFTEC. This will ensure that the work is carried out to a high standard
  4. Consider Energy Efficiency: Look for a combi boiler that is energy efficient. This may cost more upfront, but it will save you money in the long run on your energy bills.
  5. Don’t Just Look for the Cheapest Option: The cheapest option may not always be the best choice. Consider the brand, warranty, and overall quality of the boiler when making your decision.
  6. Ask Questions: Don’t be afraid to ask questions about the quote and the installation process. This will help you make an informed decision and ensure that you get the best deal for your home.
  7. Negotiate: If you’ve received several quotes, don’t be afraid to negotiate with the installer. They may be willing to offer a better deal to secure your business.
  8. Consider Financing: If the cost of a new combi boiler is too high, consider financing options. Many installers offer finance plans that allow you to spread the cost over a period of time.

Average Cost of Combi Boiler Installation

Boiler TypeAverage Cost of Installation
Gas Combi£2,000 – £3,000
Oil Combi£3,000 – £4,000
Electric Combi£1,500 – £2,500

Energy Efficiency Ratings for Combi Boilers

Energy Efficiency RatingAnnual Fuel Utilization Efficiency (AFUE)
A90% or higher
B80% – 89%
C70% – 79%
D60% – 69%
E50% – 59%

Comparison of Annual Fuel Costs for Combi Boilers

Boiler TypeAnnual Fuel Cost (based on average usage)
Gas Combi£500 – £800
Oil Combi£700 – £1,000
Electric Combi£600 – £900

Comparison of Installation Costs for Different Boiler Brands

Boiler BrandAverage Installation Cost
Worcester Bosch£2,500 – £3,500
Vaillant£2,000 – £3,000
Ideal£1,500 – £2,500


A combi boiler can provide an efficient and cost-effective solution for heating and hot water in your home. However, it’s important to understand the quotes you receive and do your research before making a decision. By following the tips outlined in this blog post, you can ensure that you get the best combi boiler quote for your home and enjoy the benefits of a reliable and energy-efficient heating system.

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