What are the legal tender amounts acceptable for the United Kingdom coins?

‘Legal tender’ has a specific legal meaning relating to the settlement of debts. It means that a debtor cannot successfully be sued for non-payment if he pays into court in legal tender. It does not mean that a business or individual is required to accept a particular coin or form of payment in an everyday transaction. Both parties are free to agree which forms of payment they will accept.

For UK coins, the legal tender limits are:

£100 – for any amount  
£50 – for any amount  
£20 – for any amount  
£5 (Crown) – for any amount  
£2 – for any amount  
£1 – for any amount  
50p – for amounts up to £10  
25p (Crown) – for amounts up to £10  
20p – for amounts up to £10  
10p – for amounts up to £5  
5p – for amounts up to £5  
2p – for amounts up to 20p  
1p – for amounts up to 20p