@artur So usually you can only take 25% of the total pot as a lump sum.
in yiur example of 1million this would be 250,00, 200,000 tax free and then 50,000 taxed at 20% - so a total lump sum of 240,000.
This leaves 750,000
You could put this into an annuity (guaranteed income) or an ARF where...