British Gas Energy 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

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How does cashback work?
Will it cost me anything?
When will I actually get my cashback?
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How much cashback can you get?

British Gas Energy Cashback

New & Existing customers who switch to a dual fuel (Gas & Electricity) fixed tariff
Exclusive
£50
New & Existing customers who switch to a single fuel fixed tariff (Gas)
Exclusive
£25
New & Existing customers who switch to a single fuel fixed tariff (Electricity)
Exclusive
£25

British Gas Energy

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 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 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 and book a smart meter installation. Cashback will only be paid once the smart meter installation has taken place.
Terms
  • Cashback offer is subject to availability.
  • 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.
  • You have 150 days to lodge a claim.
  • When purchasing both Gas & Electricty cashback will be awarded for both fuel types.
  • 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

See also our general terms & conditions.

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