Got a reply from Catlins brewery as follows,
Norm is in Wellington with his family for a few days for school holidays, so I don’t want to bother him til he returns. I am not sure if he will be fine with this, as he may be tied up with shooting ducks, as you probably know that is opening weekend!! I will let him know of your request, and get back to you soon. As we don’t have a licence to sell alcohol from the brewery directly to the public there can only be samples! We do sell merchandise, though. If I was to host you it wouldn’t have the flair that Norm adds to a visit!!
Might have to make it another time perhaps. See what Norman says when he gets back. I had forgotten that they aren't licenced to sell retail directly from the brewery.