Don’t think there’s a right answer to that question.
UBI trials I’ve read about have tested at ~€1000 per month ( back when the euro was worth less), but for some that wouldn’t be enough to cover the mortgage, while for others it would be a substantial increase to income / safety net.
I’m still a fan of UBI in principle, and half-hoped that was gonna be the announcement today, but while not perfect, think they’ve made a strong backing of workers today.
Except the 5 million self employed workers, who have been told to go [Poor language removed] themselves.