SPRINGTREAT10 just came through from Ubereats. Might be account specific, though. It's worth a try.
What are the t&c's with that code?
i got sent SPRINGFEAST20 for 20% off my next 10 orders,
it's a bit rubbish though as it has a £20 min spend before delivery/service fee's and I never order that much as I only order for myself,
also it only works at 'selected restaurants' and very few take part in the promotion
Check your email/junk folders if you use Deliveroo, they sent me out a £3.50 off voucher with no minimum spend earlier but it went straight into my trash folder.