Apparently premium bonds are bad and you be investing in these instead:
NS&I savings accounts – and what you should buy instead
Account type Interest rate What you should get instead
Premium Bonds 3.30pc annual prize fund rate Easy-access account paying 3.71pc with Chip (app only)
Green Savings Bonds 4.20pc Issue 4, 3-year fixed Three-year bond paying 5pc with Isabank
Direct Saver 2.85pc Easy-access account paying 3.71pc with Chip
Direct ISA 2.15pc Variable Isa paying 4pc with Marsden Building Society
Junior ISA 3.40pc Junior Isa paying 4.15pc with Coventry Building Society
Guaranteed Income Bonds 3.90pc gross/3.97pc AER Issue 70, 1-year fixed One-year bond 4.81pc with Vanquis (interest paid monthly)
Guaranteed Growth Bonds 4.00pc Issue 70, 1-year fixed One-year bond paying 5pc with Isabank
Income Bonds 2.85pc gross/2.89pc AER Easy-access account paying 3.71pc with Chip (interest paid monthly)
Source: Moneyfacts