British English Idioms

Penguin

The Penguin Dictionary of English Idioms: 5000 Idioms

Oxford University Press, USA

Oxford Dictionary of Idioms                      

Best British Idioms – 250 Classic British English Idioms (English Edition)

Foulsham & Co Ltd

1000 English Idioms Explained: Home-grown and from Across the Pond

Independently published

English Idioms – Illustrated Dictionary of British Idioms, Phrases & Expressions

Cambridge University Press

Cambridge Idioms Dictionary                      

Oxford University Press

Idioms Dictionary for Learners of English        

HOEPLI

Idioms: A Practical Guide to Common Idioms from British and American English

Independently published

10 British English Expressions - Idioms.: British English expressions that confuse the rest of the word:

Cambridge University Press

English Idioms in Use Advanced with Answers: Book with answers