"The main review and redress exercise will commence shortly and the appropriate provision level will be kept under ongoing review as it progresses."
More top news
Authorities have warned that the death toll is likely to rise as much of the building is yet to be searched.
The PM will sound out the possibility of new free trade agreements with Gulf states for once the UK has left the EU.
In the unexpected announcement on Monday, Mr Key said it was the "right time" to leave politics.