Get up to £450 off a new boiler for a limited time

Plus energy customers get £200 towards their energy bills.1

View Autumn savings

Here's why you should get a boiler with us

  • Fitted by expert engineers
    Our engineers have been installing new boilers for more than 50 years and fit more boilers than anyone else in the UK

  • Peace of mind
    5 year British Gas boiler warranty (PDF, 276KB) with 24/7 support, 365 days a year. Plus full system cover for the first year

  • Affordable monthly payments
    We've got a range of payment options, including two years interest-free credit 2

  • No surprises
    You'll pay a fixed price with no hidden or unexpected costs

Autumn special offer. Get up to £450 off your new boiler

Book a free quote for a new boiler before 30th November and we’ll give you £150 off.1

And if you’re already a British Gas customer you can save even more…

  • HomeCare customers get an extra £300 off new boilers 3
  • Energy customers get £200 towards their bill when buying a new boiler 1
Book a free appointment

How can we help you?

Get a free quote from a heating adviser

Book a slot with a heating adviser and they'll assess your heating system, in person or by video call. They'll then give you a fixed, no obligation quote for a new boiler.

Book now, it's free

Buy your combi boiler online

If you're replacing your existing combi boiler with a new combi boiler, you can buy your new boiler online today.

Buy now

Get an online estimate

Use our online estimator to get a rough idea of how much your new boiler will cost. It'll only take a few minutes.

Get an online estimate

View our boiler and heating repair options

No heating or hot water? We’ve got the right repair option for you. Simply choose one.

View repair options

Our A-rated boilers

Your boiler is at the heart of your home. So it's important to choose one you can trust. We only install the latest A-rated boilers and smart controls, which could save you £200 a year. 4

And with our two-year interest-free credit, you'll be able to find a boiler at a price that works for you. 2

How to get your new boiler

Get a quote

Your heating adviser will give you a fixed-price quote. If you're happy with it, let them know. If you need a little more time, we'll get in touch later to explain how you can go ahead with the quote.

We’ll fit your new boiler

One of our expert engineers will pop round to install your new boiler. After they've finished, they'll show you how to use it, take away your old boiler and leave the area clean and tidy.

We'll check you're happy

Your engineer will give you a call a few days after they've fitted your boiler to make sure you're happy. You're covered with our five-year warranty, so you can relax knowing your boiler is protected.

Need a boiler for your business?

If you need a commercial boiler, visit our British Gas business website.

Go to British Gas business

Need a little more help? Our guides

Book an appointment with one our heating advisers who can find the perfect fit for your home and provide you with a no-obligation, fixed-price quote.

Book now, it's free

Frequently Asked Questions

How long does the appointment with your heating adviser last?

Video call appointments last around 30 minutes and in-home appointments will last around an hour and a half.

Will I know how long it’ll take to get my new boiler?

Yes and with over 1,000 Gas Safe engineers we can work it out around dates and times that suit you. Your heating adviser will make all the arrangements once you give them the go ahead. That way you’ll know exactly when you’ll have your new boiler by.

How do I change the date of my quote appointment?

You can change or cancel your appointment using the link and verification code in the confirmation text or email we sent you.

How do I cancel my quote appointment?

You can change or cancel your appointment using the link and verification code in the confirmation text or email we sent you.

How do I accept my boiler quote?

You can view and accept your quote(s) using the link and verification code in the confirmation text or email we sent you. Please note, it may take up to 24 hours after your appointment before you can view your quote online.

Can I speak to someone if I have a question about buying a new boiler?

Yes, you can call us on 0333 202 9450. Our lines are open Monday to Saturday, 8am-6pm. We have limited opening hours over public holidays. We want to improve our service for you, so we may record your call to help. Calls to 0330/0333 numbers will cost you no more than 01 or 02 numbers from landlines and mobiles. If you get 'inclusive minutes' with your package, calls to 0330/0333 numbers will be part of these.

Additional information

  1. This offer is only available to customers who book an appointment for a new boiler quote between 1st October and 30th November, who then accept the quote and have the boiler installed. This offer can be used in conjunction with other offers except staff/ex-staff/partner discounts. Offer only available to customers with a total system output of up to 50kW. Offer is subject to change without notice. Terms and conditions apply.

    The offer of £200 energy credit is available to existing British Gas energy customers (excluding Pay As You Go energy customers) who register their interest for a new boiler installation quote by 30th November 2019, and who subsequently have their new boiler installed by British Gas. The boiler installation must be at the same address to which we supply energy, and you must remain a British Gas energy customer until the credit is applied. The £200 energy credit includes VAT and will be applied to your account within 30 days of your boiler installation. Only one offer per household/ customer.

  2. British Gas acts as a credit broker, not the lender and offers products from a panel of lenders. Payment options are subject to change without notice. British Gas is a trading name of British Gas New Heating Limited (No. 06723244), an appointed representative of British Gas Services Limited (No. 03141243) which is authorised and regulated by the Financial Conduct Authority (Financial Services Register No. 490568). Both companies registered in England and Wales. Registered office: Millstream, Maidenhead Road, Windsor, Berkshire SL4 5GD. Availability of credit depends on status and credit checks. Terms and conditions apply.

  3. This offer is available to homeowners and landlords with a total system output of up to 50kW who already have HomeCare at the property where the boiler would be installed, it can be used in conjunction with other offers except staff/ex-staff/partner discounts. Terms and conditions apply.

  4. Source: