My sister-in-law and her husband moved from the UK to Auckland in 2001 with a one year-old girl. Daughter #2 arrived a year after they landed here. My husband was living in Australia, but only visited them once before I dragged him to Canada in 2005. We moved here in 2012 so their nearest family were either Vancouver or London.
There were aspects that were difficult, but they have zero regrets. Their girls could not ever have had such free childhoods anywhere in the UK. Couldn't have had the homes, the access to nature. Shopping sucked and public transport didn't really exist. But otherwise, sweet as