[6] In 2023, Wychwood Brewery was shut down by owners Carlsberg Marston's and production of Brakspear beers moved elsewhere.

This leaves tired or dead yeast and unwanted solids ('trub') behind and encourages a healthier fermentation.

Refresh UK claims that Brakspear beers possess a butterscotch flavour due to diacetyl produced through this method and their particular long-lived, multi-strain yeast.

The yeast has "distant origins" at Mann, Crossman & Paulin in Mile End, London.

[3] When beer writer Michael Jackson visited in 1993, the barley was Maris Otter and water came from their own well, described as "chalk-hard".