I want to invest my student maintanance loan on something secure. Any ideas on what I should invest on?

Student maintanance loan is just over £5,000 per year, so after 3 years I will have £15,000 which with my parents' help and some summer work could rise up to £20,000 at least. Together with a friend who will have the same amount of money we should total £40,00 in 4 years. Shall we wait until then before making... show more Student maintanance loan is just over £5,000 per year, so after 3 years I will have £15,000 which with my parents' help and some summer work could rise up to £20,000 at least. Together with a friend who will have the same amount of money we should total £40,00 in 4 years.
Shall we wait until then before making any investments or invest that little money we get each year?
I am looking to gather as many opinions as possible. I don't just want to contact a financial adviser.
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