
Cashback boost
£15 Cashback
£15 cashback when you switch to Octopus Energy
- Category
- Cashback
- Time
- 15 mins
- Difficulty
- Medium
Hot dealYou can earn
Join TopCashback and earn at least £10 of trackable cashback within 90 days to unlock a £15 top-up.
Eligibility, full steps and terms are further down this page.
Credit applied to your account balance.
£15 — worth about £15 in real terms
Follow these in order. Skipping a step is the #1 reason rewards don't track.
Step 1: Sign up free
Head to TopCashback via the SmartPiggy link so your £15 bonus is tracked. Use a fresh email if you've signed up before.
Step 2: Click through to any retailer
Step 2 of 4 — the sooner you complete it, the faster your reward tracks.
Step 3: Earn £10 confirmed cashback
Turn off any ad-blockers before clicking through, otherwise cashback may not track. Confirmation can take 7–14 days.
Step 4: £15 bonus added
Reward pays out via Bank transfer. Check your cash balance or email for confirmation.
TopCashback — The UK's highest-paying cashback site
The £10 must fully confirm before the bonus is paid.
We haven't recorded eligibility criteria for this offer yet. Check the provider's own terms before you start.
Reward type
Cash
Time to complete
15 mins
Withdraw via
Bank transfer, PayPal, Gift cards (boosted)
About the provider
The UK's highest-paying cashback site
TopCashback pays you real cash for shopping you'd do anyway. Over 4,500 retailers, no member fees on the Classic account.
Established 2005. Trusted by 20 million members globally.
Classic account is free. Optional Plus account takes a small annual cut in exchange for boosted rates.
Web · iOS · Android
Cashback
What we like
Watch out for
Members drop their personal invite codes here. Codes rotate fairly so everyone gets a turn. Report any code that doesn't work.
Payout timing isn't confirmed for this offer yet — check the provider's own terms before you start. Join for free, click through to any partner retailer, shop as normal, cashback appears in your account within days.
Established 2005. Trusted by 20 million members globally. This offer doesn't involve a credit check.
Classic account is free. Optional Plus account takes a small annual cut in exchange for boosted rates.
Yes — once the reward has cleared and any minimum holding period has passed, you're free to close the account. We recommend waiting at least 30 days after the bonus lands to be safe.
Contact TopCashback support first with your sign-up date and screenshots. If you're still stuck, ping the SmartPiggy team and we'll help chase it up.
The small print
SmartPiggy may earn a commission when you claim this offer — it costs you nothing and helps keep our reviews free (affiliate disclosure). Rewards, timings and eligibility are set by TopCashback. Always read the provider's full T&Cs before you sign up. When it comes to money, your capital may be at risk. See our editorial policy for how we score and re-check offers.
We have not recorded a hand-check for this listing yet, so please confirm the current terms with TopCashback before signing up.
You get
£15