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British Gas Boilers: Costs, Models & Reviews 2025
- British Gas installs combi, conventional and system boilers, making them a versatile choice for all home types.
- On average, it will cost between £1,600 - £6,000, depending on the boiler brand, type and installation complexity.
- British Gas boiler installers have high customer satisfaction, with a rating of 4.2 on TrustPilot.
British Gas is one of the most well-known and experienced boiler providers here in the UK. With 200 years of experience, British Gas boiler installation offers a range of modern, energy-efficient units suited to all different household types and needs.
However, when considering British Gas for your boiler replacement, it is important to understand the costs associated, the services available, and what real customers have to say. In this guide, we will go through everything you need to know about British Gas boiler costs, models and reviews, helping you determine whether their service is a right fit for you.
It is important to weigh out the pros and cons of any boiler provider. Comparing multiple quotes is the best way to do this. However, this can be a time-consuming and stressful process. Fortunately, our service can make this process stress-free. By filling out our 30-second form, we can provide you with 3 free quotes from the best boiler specialists in your area.
Click below to learn more.
- Quotes from local engineers
- Payment by finance available
- Save up to £975
What boilers can you get with British Gas?
British gas offers a range of top-brand boilers that will suit your home’s needs and your preferences. Here is an overview of the leading brands British Gas works with to provide you with the best boiler installation available:
- Worcester Bosch is the UK’s number one boiler manufacturer, earning top reviews for their reliability and performance. The majority of their boilers boast an impressive A-rating in energy efficiency, making them one of the most efficient boiler manufacturers available.
- Vaillant is a reputable brand that boasts a number of high customer reviews due in part to their excellent customer service and aftercare. Many of their products are Quiet Mark accredited, ensuring that you have a soundless boiler.
- Glow Worm is a long-standing and experienced boiler manufacturer with 90 years of experience, which is reflected in their high customer reviews.
- Ideal Heating offers innovative boilers with accessible displays and controls. Some of their models are also Quiet Mark accredited with impressive customer reviews for customer service and aftercare. Additionally, they are praised for their out of warranty repair and servicing, offering a lifetime of support to their customers.
- Ariston is a long-standing boiler manufacturer with almost 100 years of experience, and they provide a diverse range of combi, conventional and system boiler options. On top of providing excellent boilers, Ariston is leading the way in sustainability by investing up to 40% in the development of energy in renewable sources.
Types of boilers available from British Gas
Understanding what boiler types British Gas install, as well as the brands they offer, is essential to ensure you select the right one for your home. Below is a boiler comparison table to help you choose the best type for your home and needs.
- Combi boiler: A combi boiler is a compact unit that heats your home and water on demand. It's an ideal for smaller homes with limited space, but it is not powerful enough to support multiple bathrooms.
- Conventional boiler: A conventional boiler is a traditional heating system suitable for homes with multiple bathrooms. It requires ample space in the home as a cold water tank is placed in the loft space, and a hot water cylinder is usually stored in an airing cupboard.
- System boiler: A system boiler works alongside a hot water cylinder which is often stored in a cupboard allowing for hot water to be provided to multiple outlets at once. It takes up less space than a conventional boiler while still offering high quantities of hot water throughout the home.
| Feature | Combi boiler | Conventional boiler | System boiler |
|---|---|---|---|
| Hot water supply | Instant hot water | Stored in a cylinder | Stored in a cylinder |
| Water pressure | Low | High | High |
| Requires a cold water tank? | No | Yes | No |
| Requires a hot water cylinder? | No | Yes | Yes |
| Space requirement | Compact | Requires loft and airing cupboard | Requires airing cupboard |
| Best for homes with | Limited space, single bathroom | Large homes replacing an existing conventional model | Large households with multiple bathrooms |
New boiler costs with British Gas
A new boiler cost with British Gas, which includes installation ranges between £2,500 to £3,700, depending on the boiler type, make and model, and installation complexity. Understanding how much a new boiler with British Gas will cost is essential to plan and budget effectively. It is recommended to obtain a quote directly from British Gas for accurate prices, however, our market research shows the average prices for each boiler installation type below to guide you:
| Boiler type | Average cost |
|---|---|
| Combi boiler | £3,800 |
| Conventional boiler | £3,500 |
| System boiler | £3,250 |
It is important to factor in additional costs such as make, model and installation complexity. For example, British Gas boiler replacement costs will increase if you are upgrading a combi to a system boiler, as it requires extra work and additional parts.
As British Gas works with several top-brand boiler manufacturers, understanding their price points may influence you on which brand you would like to opt for. We’ve outlined some cost ranges in the table below:
| Manufacturer | Combi boiler price range | System boiler price range | Conventional boiler price range |
|---|---|---|---|
| Worcester Bosch | £660 - £3,800 | £1,150 - £3,400 | £600 - £3,500 |
| Valliant | £900 - £2,300 | £1,150 - £1,900 | £990 - £2,000 |
| Ideal Heating | £650 - £1,960 | £1,050 - £1,800 | £900 - £1,600 |
| Glow Worm | £525 - £1,547 | £595 - £850 | £685 - £1,547 |
| Ariston | £574 - £2,000. | £616 - £1,000. | £739 - £1,000. |
While the above costs are estimates, you can easily access British Gas new boiler quotes through their service. You can choose between an online form or a free home inspection.
Can you pay on a monthly basis with British Gas?
British Gas new boiler costs can be divided into monthly payments on a flexible scheme, helping you to reduce the upfront central heating installation costs. Here are the payment plans available on British Gas:
- Interest- free credit at 0% APR for two to three years.
- Long-term financing at 9.9% APR for ten years.
To determine whether paying on a monthly basis with British Gas is the best option for you, we have created a table illustrating the monthly repayments and total amounts repayable for different loan amounts and terms:
| Loan amount | Years | APR | Monthly repayment | Total amount repayable |
|---|---|---|---|---|
| £2,000 | 2 | 0% | £83.33 | £2,000 |
| £2,000 | 3 | 0% | £55.56 | £2,000 |
| £2,000 | 10 | 9.9% | £25.85 | £3,103 |
| £3,000 | 2 | 0% | £125.00 | £3,000 |
| £3,000 | 3 | 0% | £83.33 | £3,000 |
| £3,000 | 10 | 9.9% | £38.78 | £4,654 |
| £4,000 | 2 | 0% | £166.67 | £4,000 |
| £4,000 | 3 | 0% | £111.11 | £4,000 |
| £4,000 | 10 | 9.9% | £51.71 | £6,205 |
Opting for a long-term payment plan will reduce your monthly payments but will increase the total amount you owe to British Gas. It is, therefore, important to assess your finances to determine if lower monthly payments at a higher APR are necessary.
Not only does British Gas provide payment plans, but they also assist with boiler grants that can cover the cost of a new system if you meet certain criteria, such as being on a low income or receiving benefits like Pension Credit, Universal Credit or Disability Allowance.
British Gas servicing
British Gas offers servicing for your boiler, whether it is an old or new unit. If you have a new boiler with British Gas, annual service is mandatory to keep your 12-year warranty valid.
A boiler service is a routine inspection and maintenance check carried out by a qualified engineer to ensure that your boiler is working safely and efficiently.
A boiler service with British Gas includes:
- Inspect the boiler and controls to ensure they are working correctly.
- Opening the boiler to check the internal components.
- Checking for damage around the boiler such as rust and leaks.
- Cleaning the system filter.
Typically, it will take between 40 to 60 minutes to service your boiler, depending on what work is required. A boiler that is not regularly serviced may require more work, increasing the time. After your service has been completed, the British Gas engineer will provide you with a safety checklist and advice on energy efficiency.
It is important to note that the British Gas boiler cost does not include the price of a boiler service. Customers are required to pay for this service separately. There are currently two payment plans available for boiler servicing:
- Boiler service: This package only deals with boiler services costing £93 per year.
- Home care package: This package covers all central heating services with additional add-ons such as plumbing, drains and electrics. The full home care packaging costs £253.80 per year, paid in monthly installments.
British Gas reviews: How are they rated?
It is important to check British Gas reviews before committing to use them. Reviews allow you to check real-life experiences of current customers, providing insight into the quality of British Gas services. Currently, British Gas has a 4.2 out of 5 rating on Trustpilot. Below, we go into the most common reviews:
Top positive reviews:
- Professional engineers: Many reviews commended the expertise and friendly attitude of British Gas engineers during installation and servicing visits.
- Efficient service: Customers highlight the quick response times and swift resolution of issues, especially during times of emergencies.
- Comprehensive service plans: Users of British Gas appreciate the variety of services and payment plans available, which provides peace of mind through regular maintenance and support.
Top negative reviews:
- Customer service issues: Customers have highlighted their issues in reaching customer support, citing long hold times and unhelpful responses.
- Service delays and missed appointments: Many users of British Gas have expressed their frustration at postponed or missed appointments with engineers, wasting their time and prolonging issues they are currently experiencing.
It is important to note that experiences with British Gas vary. As a potential customer of British Gas, it is recommended that you compare multiple quotes from different suppliers and check their own reviews. Doing so can be time-consuming but worthwhile in the long run.
However, you do not have to waste your time comparing multiple quotes from different suppliers. Using GreenMatch’s service, you can obtain 3 free quotes from the best boiler specialists in your area. All you have to do is fill out our quick 30-second form.
Click below to learn more.
- Quotes from local engineers
- Payment by finance available
- Save up to £975
Pros and cons of British Gas boilers
When considering a new boiler with British Gas, it is important to factor in the pros and cons. Here we have listed the advantages and disadvantages:
Pros
- Professional installation: British Gas engineers are highly qualified and adhere to safety standards in the UK.
- Grant schemes available: Eligible customers for boiler grants can apply through British Gas, helping to reduce boiler costs.
- Warranty coverage: New boilers with British Gas come with a 12-year warranty, offering long-term protection.
- Payment plans: British Gas offers flexible payment plans, which help make boiler replacement more affordable for customers.
Cons
- High costs: British Gas boilers can be expensive, ranging between £2,500 to £3,700.
- Expensive servicing plans: New boiler installation does not come with free annual maintenance, and you are required to pay a monthly or yearly fee for this service.
- Customer service issues: Current customers report issues with customer support, such as long wait times and unresolved complaints.
Are British Gas boiler installations worth it?
British Gas boiler installation offers professionalism, long warranties, grant schemes and flexible payment plans. However, choosing a new boiler with British Gas can come with some drawbacks, such as expensive servicing plans and customer service issues. By prioritising your preferences, you can determine whether British Gas boiler installations are the right choice for you.
The best way to find the right installer for you, whether it is British Gas or another provider, is by comparing multiple quotes from different boiler specialists. That way, you can see how British Gas stacks up against other specialists so that you can get the best value for your money.
However, gathering multiple quotes can be time-consuming and may not always lead to the best options, which is why you should use GreenMatch’s service. By filling out our 30-second form, we can provide you with up to 3 free quotes. No hidden costs and no obligations. Freeing up your time and ensuring you find the best boiler specialists in your area.
Click below to learn more.
- Quotes from local engineers
- Payment by finance available
- Save up to £975
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