From when the British pub chain is owning the Flask public house who also operates nearly 220 pubs?
The Flask, Hampstead The Flask is a Grade II listed public house at 14 Flask Walk, Hampstead, London, on the site from where the trade in Hampstead mineral water was run, and which is mentioned in the eighteenth century novel "Clarissa". It has been owned by Young's Brewery since 1904.
Tied house In the United Kingdom, a tied house is a public house required to buy at least some of its beer from a particular brewery or pub company. That is in contrast to a free house, which is able to choose the beers it stocks freely.