Castle Brewery is an independent microbrewery based on the banks of the River Fowey in the historic Cornish market town of Lostwithiel. Established in 2007, in the old milk factory, the brewery has built a strong reputation for producing a diverse range of high-quality cask ales inspired by both British pub traditions and modern European styles.

In November 2025, the Harwood family took ownership, bringing a renewed focus on a carefully curated core range of classic cask ales, alongside a selection of exciting keg beers.

Artisan at heart, Castle Brewery handcrafts unfined, unfiltered, and vegan-friendly beers, combining traditional brewing methods with contemporary creativity.

Whether you're seeking timeless British classics or fresh, modern flavours, Castle Brewery offers a distinctive and authentic craft beer experience.