apparently if you save up to £50 a month over the next 4 years with them. You will get a £600 bonus every two years. This will result in a total of £1200 (50%) on savings of £2400.
You do have to be getting Working Tax Credits or Universal Credits to be eligible. You can withdraw savings at any time, but this will affect the level of bonus payments you get. Worth checking it out. Why not check out the web site on the link below.
Good luck . x