How much is a new boiler on average in UK?

When considering the cost of a new boiler in the UK, there are several factors to take into account. From brand reputation to installation costs and maintenance expenses, understanding the key components that influence boiler prices is essential. This article explores the key takeaways on the average cost of a new boiler in the UK.

Key Takeaways

  • Brand reputation, boiler size, and energy efficiency rating are significant factors that influence boiler prices in the UK.
  • Labour costs, piping and fittings, and permit fees contribute to the overall installation costs of a new boiler.
  • Annual servicing costs, repair expenses, and warranty coverage are essential aspects of maintenance and servicing for boilers in the UK.

Factors influencing boiler prices

Factors influencing boiler prices

Brand reputation

The reputation of a boiler brand is a significant determinant of its price. Well-established brands often command higher prices due to their proven reliability and the perceived quality of their products. Consumers tend to trust these brands and are willing to pay a premium for the peace of mind that comes with a reputable manufacturer.

Boiler brands vary in terms of their market positioning, with some catering to budget-conscious consumers and others targeting the luxury segment. Here’s a brief overview of how brand reputation can impact boiler prices:

  • Premium brands: Known for high-quality materials and advanced features.
  • Mid-range brands: Offer a balance between cost and functionality.
  • Budget brands: Focus on affordability, with fewer features and frills.

It’s important to consider the long-term value a brand offers, not just the initial purchase price. A more expensive boiler from a reputable brand may result in lower maintenance costs and better efficiency over time.

Boiler size

The size of the boiler you choose is pivotal in determining both the initial purchase price and the ongoing running costs. Larger boilers, while more capable of heating bigger spaces, tend to be more expensive both in terms of the unit itself and the energy they consume. Conversely, smaller boilers cost less but may not be sufficient for larger homes or buildings.

Boiler size is typically measured in kilowatts (kW), and the right size for your home depends on a number of factors including the number of bathrooms, the size of your property, and your heating requirements. Here’s a simplified guide to help you understand the typical boiler sizes and their suitable applications:

  • 24-27 kW: Suitable for small homes with up to 10 radiators and one bathroom.
  • 28-34 kW: Ideal for medium-sized homes with up to 15 radiators and two bathrooms.
  • 35-42 kW: Best for larger homes with up to 20 radiators and multiple bathrooms.

It’s essential to choose a boiler that matches your home’s heating needs to avoid unnecessary costs and ensure efficient operation.

Energy efficiency rating

The energy efficiency rating of a boiler is a crucial factor that impacts both the upfront cost and the long-term savings. Higher-rated boilers are typically more expensive to purchase, but can lead to significant savings on energy bills over time.

Boilers are rated from G (least efficient) to A+++ (most efficient). Here’s a quick overview of how efficiency can affect costs:

Efficiency Rating Estimated Annual Savings
A+++ [Highest Savings]
A [Moderate Savings]
B [Lower Savings]
G [Least Savings]

Investing in a high-efficiency boiler can be a wise decision in the long run, as it reduces the carbon footprint and energy expenses.

It’s important to balance the initial investment with potential energy cost reductions when selecting a boiler. Consult with a professional to determine the most cost-effective option for your specific needs.

Installation costs

Installation costs

Labour costs

When considering the installation of a new boiler, labour costs can vary significantly depending on the complexity of the job and the experience of the installer. It’s not just about the hours spent on the installation; it’s also about the expertise required to ensure your boiler operates safely and efficiently.

Installation complexity and the time required to complete the job are the primary factors that influence labour costs. Here’s a general breakdown of what you might expect:

  • Standard boiler replacement: 1-2 days
  • Conversion to a different boiler type: 2-3 days
  • Full system installation with new pipework: 3-5 days

Labour costs can be a substantial part of your overall expenditure. It’s wise to get multiple quotes to ensure you’re getting a fair price for the work involved.

According to Checkatrade, the total cost for a new boiler supply and installation, including labour and extras, typically ranges from

Boiler Supply and Installation Cost Range
Standard Replacement

£2,000-£3,000 |
| With Additional Extras |

£3,000-£4,500 |

Piping and fittings

When considering the installation of a new boiler, the cost of piping and fittings can significantly affect the overall expense. The type and quality of materials used will play a crucial role in not only the initial installation cost but also the longevity and efficiency of the system. For instance, copper pipes are typically more expensive than plastic ones but offer greater durability.

  • Copper pipes: Higher cost, greater durability
  • Plastic pipes: Lower cost, less durable

It’s also important to factor in the complexity of the installation. A straightforward replacement may require fewer new fittings, whereas a complete system overhaul could necessitate a variety of additional components. Here’s a simplified breakdown of potential costs:

Material Type Average Cost (per meter)
Copper Pipe £5 – £8
Plastic Pipe £1 – £3

Remember, investing in high-quality fittings can save money in the long run through reduced maintenance needs and better system performance.

Permit fees

When installing a new boiler, it’s essential to consider the permit fees that may apply. Local regulations often require homeowners to obtain a permit before proceeding with the installation. The cost of these permits can vary widely depending on your location and the complexity of the installation.

  • Residential properties might incur a nominal fee.
  • Larger projects or commercial installations could face higher charges.

It’s advisable to check with your local council or building authority early in the planning process to avoid any unexpected costs.

Remember, obtaining the necessary permits is not just a formality; it ensures that the installation complies with safety standards and local building codes. Skipping this step could lead to fines or complications in the future.

Maintenance and servicing

Maintenance and servicing

Annual servicing costs

Keeping your boiler in top condition is crucial for its longevity and efficiency. Annual servicing is a recommended practice to ensure your boiler operates safely and at peak performance. On average, the cost for an annual gas boiler service in the UK ranges from

extsterling120 to 	extsterling130 (including VAT). This service is typically carried out by a registered *Gas Safe engineer*, who will inspect the boiler, clean essential components, and identify any potential issues.
  • Regular servicing can prevent costly repairs.
  • It may be required to maintain warranty coverage.
  • Ensures compliance with safety regulations.

Keeping up with annual servicing can save you money in the long run by avoiding unexpected breakdowns and ensuring your boiler runs efficiently.

Repair costs

Boiler repairs can vary significantly in cost, depending on the nature of the fault and the parts required. The average boiler repair cost in the UK ranges from [100 to [500, with more complex issues leading to the higher end of the spectrum. Emergency repairs, which may be necessary to restore heating and hot water, tend to be more expensive, averaging around [410.

Emergency repairs often demand a premium due to the urgency and out-of-hours service. It’s important to factor in these potential costs when considering the overall financial commitment to maintaining a boiler.

While regular maintenance can help prevent the need for repairs, it’s wise to set aside a contingency fund for unexpected boiler issues.

Here’s a breakdown of typical repair costs:

  • Minor faults (e.g., replacing a thermostat): [100 – [200
  • Moderate issues (e.g., replacing a pump): [200 – [300
  • Major repairs (e.g., fixing a heat exchanger): [400 – [500

Warranty coverage

When considering the long-term investment of a new boiler, the warranty coverage offered by the manufacturer is a critical factor. A comprehensive warranty can save homeowners significant amounts of money in the event of malfunctions or defects. Most warranties will cover parts and labour for a certain period post-installation, but the terms can vary widely between manufacturers.

Warranty periods typically range from 1 to 10 years, and some may require annual servicing to remain valid. It’s important to read the fine print and understand what is and isn’t covered. For example, some warranties may not cover issues arising from improper installation or maintenance.

Homeowners should consider the length and comprehensiveness of the warranty when comparing boiler options. A longer warranty may reflect the manufacturer’s confidence in their product’s durability.

Below is a list of considerations for boiler warranty coverage:

  • Length of warranty period
  • Inclusions and exclusions of the warranty
  • Requirement for regular servicing to maintain warranty validity
  • Transferability of the warranty if the property is sold


In conclusion, the cost of a new boiler in the UK can vary depending on various factors such as the type of boiler, size of the property, and installation requirements. On average, the cost of a new boiler in the UK ranges from £2,000 to £4,500. It is important for homeowners to carefully consider their heating needs and budget when investing in a new boiler to ensure efficiency and cost-effectiveness in the long run.

Frequently Asked Questions

What is the average cost of a new boiler in the UK?

The average cost of a new boiler in the UK ranges from £2,000 to £4,000, depending on various factors such as brand, size, and energy efficiency rating.

Which boiler brands are known for their reputation in the UK?

Some of the reputable boiler brands in the UK include Worcester Bosch, Vaillant, Baxi, and Ideal.

How does the size of a boiler affect its price?

The size of a boiler directly influences its price, with larger boilers typically costing more than smaller ones due to the higher capacity and heating output.

What is an energy efficiency rating and how does it impact the cost of a boiler?

An energy efficiency rating indicates how efficient a boiler is at converting fuel into heat. Boilers with higher efficiency ratings are generally more expensive upfront but can lead to savings on energy bills in the long run.

What are the typical labour costs associated with boiler installation?

Labour costs for boiler installation in the UK can range from £500 to £1,000, depending on the complexity of the installation and the time required for the job.

Do I need a permit for installing a new boiler in the UK?

In most cases, a permit is not required for boiler installation in the UK. However, if the installation involves significant alterations to the property’s heating system, a permit may be necessary.

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