www.gov.uk/get-help-savings-low-income
Basically the government gives you 50 p for every £1 you save up to £50 a month over a 4 year period
You need to be on a low incone, uc or working tax credit
By my reckoning, £2400 is the max you can save, so you’d get £1200 after four years
Sounds too good to be true
Here’s the link
www.gov.uk/get-help-savings-low-income