Think i could be pregnant again and cant afford it?

please someone help me.. i have a baby now and live with my parents because cant afford my own place with my boyfriend.. and we only just about afford the baby.. and now i think i could be pregnant again i don't want to have an abortion. im dead set against them.. can someone please tell me how i get housing benefits to help me out.. everyone is telling me that's what you get to help you out but i don't no how to get it? and plus my boyfriend is on very low wages does that mean he gets help with his money as well.. it all confuses me and really needs someone to explain it to me.. please help?