Your options depend on how long you’ve been in the pension.
If you leave within the first 30 days of being automatically enrolled into the pension (ie, you opt out), you will get a refund of your contribution in your next month’s pay.
If you did not opt out within the first month, you won’t be able to take the money in your pension pot until you are at least 55* years old. Until then, you can leave your pension pot with Legal & General, where it will remain invested, or you can move the money in your pension pot to another pension arrangement of your choice (eg, perhaps your new employer’s pension).
When you leave the pension, Legal & General will contact you to tell you about your options. If you leave Sainsbury’s, you lose your life cover.
*57 from 2028