Just so you don't get angry for no reason: the actual policy says nothing about a specific age. You could be 60 and use it to buy a house. It also doesn't have

Just so you don't get angry for no reason: the actual policy says nothing about a specific age. You could be 60 and use it to buy a house. It also doesn't have to be your first one. If you had a house than sold it and lived in an apartment for 4 years you are eligible again. If you own your house but your spouse doesn't they can use this for your next house.