Switch your energy supplier in three easy steps

It’s easy to change gas and electric providers. Choose a fixed tariff now and sit back and relax, knowing your energy prices won’t go up this winter.

And if we bring out a better fixed tariff, you can switch to it for free at any time.

Get an energy quote

How to switch to British Gas

Step 1

Get a quote on our gas and electricity deals and choose your tariff.

Step 2

We’ll arrange a switch date with your current provider, with no disruption to your supply.

Step 3

We’ll let you know when your switch is complete and when to send us your first meter reading.

Exclusive offer: Save £139 on a Hive Thermostat + installation

As a thank you for joining us, get a Smart Thermostat Mini from our friends at Hive, plus expert installation by us, for just £109.1

The Which? Recommended thermostat is packed with clever features that help shrink your carbon footprint and save up to £151 a year.2

Already with us? You can get the exclusive offer too. Just log in to our existing energy customers deals.

Get yours today

Our customers rate us 'Great' on Trustpilot

Why switch to British Gas?

We’re Britain’s leading energy supplier. And here’s why.

  • From offers that count to home services and smart technology – we provide more than just energy
  • We’re signed up to the Energy Switch Guarantee, making sure switching is safe, fast, and easy - for everyone 
  • We give you choice. We offer fixed and variable energy tariffs, prepayment (Pay As You Go) tariffs and innovative electric vehicle tariffs. And, if you’re thinking about going greener with solar panels or a heat pump, check out our exclusive energy deals
  • Service you can rely on. We won Best Overall Improvement in the Uswitch Energy Awards 2024. This means we performed best - out of all energy suppliers - at improving our overall customer satisfaction scores this year
  • We’re looking to the future with energy-saving solutions and green initiatives.

Getting more from your energy supplier

Not all energy companies are the same. From lowering bills with half-price electricity to launching a £140m support fund to help customers who need it the most, we’re different. 

 We’re here for you with:

  • Half-price electricity with PeakSave
  • 1.5 million smart meters installed to help keep track of energy use
  • Easy payments and meter reading with our new and improved mobile app
  • Extra UK-based customer service advisors plus extended call and chat opening times to include weekends.
Switch to British Gas today

Frequently Asked Questions

What do I need to switch my energy to British Gas?

All we need to know to give you a quote is

  • Your postcode
  • The type of house you live in
  • How many adults live in your home
  • Having a recent energy bill to hand is useful, this mean we can give you a more accurate quote.

Do I need to tell my current energy provider that I’m leaving?

No, we'll take care of that.

How long does it take to switch energy supplier?

Changing your gas and electric supplier can be completed in as little as 3-5 days. You'll also get a 14-day cooling off period where you can cancel your switch without paying exit fees.

How easy is it to switch energy supplier?

We're voluntary members of the Energy Switch Guarantee, so it's simple, fast and easy. To find out more please read our expert guide.

Does switching cost anything?

Switching shouldn't cost anything, and any credits from your previous supplier should be returned to you within 14 days of your final bill.

If you're on a fixed-rate tariff, there might be an exit fee to pay if you leave before your fixed rate ends. Otherwise, switching should be free - but check with your current supplier if you're not sure. Any credits from your previous supplier should be returned to you within 14 days of your final bill.

If you don’t find what you’re looking for in our frequently asked questions, visit our switching energy supplier guide for more information.

Additional information

  1. Free Hive Mini thermostat when you pay £109 for professional install by British Gas. Offer not available for self-install products. Requires a British Gas Energy tariff. Individuals without an existing British Gas energy supply contract must enter into an agreement via britishgas.co.uk to qualify for the offer. Offer cannot be used on pre-existing orders or in conjunction with any other offer. Offer ends 30 August 2024.  Subject to availability and we have the right to remove this offer at any time. Terms and exclusions apply – see hivehome.com/terms

  2. Installing a Hive Thermostat can save you up to £151 per year on your heating bill. Saving of £151.22 based on a Ofgem typical annual gas consumption of 11,500 kWh at the July 2024 UK average unit price of 5.479 pence per kWh including VAT. Emissions saved per year: 508 kg CO2 (0.184kg per kWh). Actual savings will vary depending on individual circumstances.