spelio has added a photo to the pool:
They had been sold a few years ago and falling into ruin, unpruned and unloved..
Not much help here, so I will phone them….
www.truelocal.com.au/business/hardy-wine-company/holt No Answer!
DSC06937_39 ICE stitchS
Source : https://www.flickr.com/photos/spelio/31876309268/in/pool-52609756@N00