Old £20 Note

[Lindylou]

Bearing in mind we’re in lockdown and there are no local branch of any bank...how do I exchange an old £20 note that I was handed yesterday. Just didn’t notice. But then I’m old too.

[bednobs]

they are still valid

[Jackdaw33]

They are still legal tender until announced otherwise.

[Buenchico]

You can still use the £20 note in shops, etc:
https://www.bankofengland.co.uk/banknotes/20-pound-note

See also here
https://www.bankofengland.co.uk/banknotes/exchanging-old-banknotes
and remember that basic banking transactions, for all major High Street banks, can be carried on at any Post Office branch:
https://www.postoffice.co.uk/everydaybanking

[Hopkirk]

I'll give you a tenner for it