British Gas Energy Christmas Cashback Offers & Discounts

Get up to up to £50 cashback with our British Gas Energy cashback offers

Sign up to TopCashback for free and get a quote for a British Gas prepayment energy tariff. The average TopCashback member earns over £300 cashback a year

How does TopCashback make money?
How does cashback work?
Will it cost me anything?
When will I actually get my cashback?
Members

25M members worldwide

TrustPilot logo, 4.5 out of 5 rating

Our customers love us!

How much cashback can you get?

British Gas Energy Cashback

New customers who switch to British Gas and take out a dual fuel fixed tariff
£50
Existing customers who switch their dual fuel tariff from their standard variable tariff to a fixed tariff
£50
New customers who switch to British Gas and take out a single fuel fixed tariff
£25
Existing customers who switch their single fuel tariff from their standard variable tariff to a fixed tariff
£25

British Gas Energy

93 Reviews

About British Gas

Nobody knows Britain’s homes like we do.

We’ve powered homes across the UK for generations. After 200 years, we’re still supplying millions of households with reliable and affordable energy.

We’re committed to helping our customers lower their emissions through innovative tariffs and initiatives that save both cash and carbon.

Customer service is at the heart of what we do. That’s why we’ve invested heavily in our support operations—expanding our contact centre teams, extending call centre hours, and providing specialist training to help customers facing financial difficulties.

At British Gas, we’re dedicated to keeping homes warm, supporting our customers, and driving the transition to a greener, fairer future.

Read more

Cashback exclusions and terms

Exclusions
  • Cashback is only available if you switch to selected British Gas Dual Fuel Fixed tariff through the TopCashback website.
  • Cashback will not be paid in conjunction with any other offer, voucher or discount code unless stated.
  • Cashback offer is not available on Single Fuel and all energy quotes generated through TopCashback
  • Cashback will not be paid in conjunction with any other offer, voucher or discount code unless stated.
  • To qualify for the offer, existing British Gas customers need to follow this link on this page, log into their account, and switch tariff from their Standard Variable tariff to a fixed tariff.
  • Cashback offer is not available on Single Fuel Electricity, Safeguard PAYG tariffs and all energy quotes generated through TopCashback
  • Cashback will only be paid for a maximum of one purchase per TopCashback account
  • Cashback will not be paid in conjunction with any other offer, voucher or discount code unless stated.
  • If you receive a warm home discount.
  • Cashback will only be paid for a maximum of one purchase per TopCashback account.
  • To qualify for the offer customers who do not already have a gas and/or electricity supply with British gas need to follow the link on this page, sign up to British Gas as their new energy supplier.
  • Use of a promotional/voucher code not posted and approved by TopCashback.
Terms
  • Cashback is calculated for the item(s) price only, not including VAT, delivery or other fees.
  • The first time you sign up to this tariff for both gas and electricity we'll give your household one £50 Amazon.co.uk Gift Card. You'll get one Amazon.co.uk Gift Card no later than 28 days after we switch on your supply or switch you to this tariff for the first time.   The Amazon.co.uk Gift Card may only be redeemed against purchases made on www.amazon.co.uk . Amazon.co.uk is not a sponsor of this promotion. Amazon.co.uk Gift Cards ("GCs") may be redeemed on the Amazon.co.uk website towards the purchase of eligible products listed in our online catalogue and sold by Amazon.co.uk or any other seller selling through Amazon.co.uk. GCs cannot be reloaded, resold, transferred for value, redeemed for cash or applied to any other account. Amazon.co.uk is not responsible if a GC is lost, stolen, destroyed or used without permission. See see www.amazon.co.uk/gc-legal  for complete terms and conditions. GCs are issued by Amazon EU S.à r.l. All Amazon ®, ™ & © are IP of Amazon.com, Inc. or its affiliates.
  • Where you have both gas and electricity with us at the same property, you'll receive one Dual Fuel discount of £15 per year (including VAT). The discount will be continuously applied to your bill throughout your billing period if you use a credit meter or applied to your meter at least once a year if you use a prepayment meter. If you cancel this agreement (for example by switching to another energy supplier), you will receive a Dual Fuel discount for the number of days you have been with us during that one year period.
  • The gas price cut on 27th August 2015 is an average reduction of 5%, with any variations reflecting the cost of distributing energy to different regions.
  • Prices may increase or decrease at any time. British Gas will give you 30 days advance notice before we increase your prices
  • Cashback offer is open to new customers only who want to switch to a new British Gas Dual Fuel tariff.
  • We will only send you the Cashback once British Gas confirms your energy tariff is active
  • Cashback offer is subject to availability.
  • Cashback amount is subject to change and may go up or down.
  • Subject to tariff eligibility and Terms & Conditions which applies.
  • Cashback offer is subject to availability.
  • Cashback amount is subject to change and may go up or down.
  • Cashback will take a minimum of 4 months to be confirmed from tariff switch date.
  • Cashback will not be paid on VAT, card payment fees, taxes or any other additional charges.
  • TopCashback will only send you the Cashback once British Gas confirms your energy tariff is active.
  • Cashback is paid by TopCashback only and British Gas accepts no liability. For any cashback claims please contact TopCashback customer support
  • You have 150 days to lodge a claim.
  • You will be eligible to redeem your cashback 3 months from the date you book your appointment as long as your smart meter has been installed within that period. Subject to availability.
  • Should your cashback fail to track automatically, please submit a 'Missing Cashback' claim within 100 days of your order.
What to do when
  • Cashback is paid by TopCashback only and British Gas accepts no liability. For any cashback claims please contact TopCashback customer support
About your purchase
  • Cashback on British Gas Energy will be limited to one payment per household per year
  • Tariff eligibility applies. See our supply terms and conditions for gas and electricity at https://www.britishgas.co.uk/energy/gas-and-electricity/supply-terms-and-conditions.html
  • This cashback offer is brought to you and administered by TopCashback, registered address: Temeraire House, Nelsons Court, Staffordshire Technology Park, Stafford, Staffordshire, ST18 0WQ. Please contact their customer services team via your TopCashback account for queries.

See also our general terms & conditions.

By joining you agree to our terms & conditions and privacy policy
Getting Started Customer Service Donate to Charity FAQs
Refer & Earn £30Money GuidesBlogBrowser ExtensionTopGiftcardsTrending NowCompare Car InsuranceCompare Home InsuranceCompare BroadbandAll TopCashback Compare
About TopCashback Accessibility Statement Ourselves Vs Quidco
Press Office Careers Vulnerability Disclosure
Privacy Notice Terms & Conditions Cookie Policy Browser Extension Privacy Policy Modern Slavery Statement Appointed Representative Introducer Appointed Representative