Contact Us Our Office Units 5 & 6 Gasworks Road Aberdare Rhondda Cynon Taf CF44 6RS sales@greytreesbrewery.com01685 267077 National Tap Unit 6, Former National School Cardiff Road Aberdare Rhondda Cynon Taf CF44 7DP nationaltap@greytreesbrewery.com01685 267310