Quite interesting, they have recently opened a new 80 barrel brew house, but the old 40 barrel house is still there for expansion or specials.
However, the process still seems to be controlled by brewers rather than accountants, it's all made properly and local grain or hops are used where possible.
Unfortunately, I was driving and therefore limited to a couple of half pints and small tasters. I enjoyed that Harvest Hop you mentioned, made with Goldings and Pilgrim.
I was slightly surprised that the same yeast strain is used across their whole range, but it is the primary strain which ends up in the bottles.
Well worth a visit.
This was their first open day but it should now become an annual event.