What is the British equivalent to an American thrift store?

A charity shop (British English), thrift shop or thrift store (American English and Canadian English), or opportunity shop or op-shop (Australian English and New Zealand English) is a retail establishment run by a charitable organization to raise money. Charity shops are a type of social enterprise. They sell mainly used goods such as clothing, books, music albums, shoes, DVDs, toys, and furniture donated by members of the public, and are often staffed by volunteers.

Source: Wikipedia