The Ōtautahi Christchurch monthly meetups are a chance for Wiki people (Wikipedia, Wikidata, Wikimedia Commons, Wikisource, and so on) to get together, get advice, get collaborations started. Everybody's welcome, beginners or experienced.
Axel has some interesting info on Christchurch buildings:
"[The Pegusus Press Building] is not quite the oldest – it’s the oldest in the CBD. Deans Cottage is a decade older. And there was Wahi Ruru in Sumner from 1851, but it was knocked down in 2015 – a late earthquake victim (we don’t even have a Wikidata entry for it, but it’s on Commons). And just outside the CBD, there’s Englefield Lodge (Q75790749). A tad younger (1855) but with quite some history. The owners are trying to hang onto it, and I’m surprised it’s still standing; badly knocked around in the earthquakes."