There are a lot of UK based retailers linked with Qantas Online Mall and using the QF portal to access these stores will give you points and keep your account active. It's a few extra clicks but worth it for the points if you were shopping anyway, and you never know when a few hundred extra points might come in handy!

https://onlinemall.qantaspoints.com/

Be sure to have cookies enabled and adblocker turned off as I once lost out on points for a washing machine purchase due to having ....... on!