This will be 50 percent of the difference between the highest balance saved in the first two years (years one and two), and the highest balance saved in the last two years (years three and four).

Should the highest balance not increase, then the final bonus will not be earned.

With £50 being the monthly limit one can pay in, a maximum of £2,400 can be saved across four years.

As such, the most that a person can earn from the savings in four years is £1,200 in bonus money.

Rather than this savings boost being paid into the Help to Save account, the payment is made into the savers' bank account.

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