[quote katyalexandra]@Nanny0gg maybe to try and make the situation not feel as bad as it actually is.. lol…
It’s my house, I bought it myself so all in my own name 
[/quote]
Ah, sweetheart, this just confirms what I was thinking of him as I read your posts
.
Your boyfriend is a fuck-up. he's 25 going on 12, hasn't actually reached adulthood emotionally and is basically a parasite. He lives off of you, and you accept that because you are putting your children's needs before your own - "how do I tell our 5 and 2 year old daughters that daddy isn’t going to there when they wake up".
You also say " I come from a broken family so never wanted that for my own." But you need to consider what your current set-up is giving them. What sort of relationship are you modelling to them? What are they going to consider 'normal' and 'right' to take into their relationships when adult? In short - do you want them to accept and put up with selfish on-off almost-but-not-quite partners? Do you want unhappiness for them, like the unhappiness you're experiencing now? I don't believe you do. You want the best for them, you're putting up with his shit believing it's best for them even though it's bad for you. But it's not the best for them. It's a short-term 'nice to have daddy around' with a long-term 'don't know what a respectful relationship looks like' attached. It's really not best for your girls.
"I guess I’m just very weak as I don’t really want to be a single mum"
You are very, very far from being weak! Here you are at 25, two lovely daughters and owning your own house. You are a marvel! You have the strength to have borne the burden of this on-off relationship for the sake of your daughters. And I believe you have the strength to permanently flick the off switch on this relationship for the sake of your daughters. It is so much better for them to have you all to themselves than for them to have him and a ground-down version of you. You deserve better than him. And they deserve better than him too. They deserve the best version of you, which you cannot be whilst being dragged down by him.
"how do I tell him to leave the house when he’s got no where to go"
Where he goes is not your responsibility. He has parents. He has all these friends, he can sofa-surf with them until he sorts out his own place (if he can be bothered). Not. Your. Problem. He's using you, he's using your house, and he's using your daughters as leverage, to manipulate you into letting him stay. I'd get very angry with him about that. You'd find it very easy to tell him to go if you had anger fuelling you.
"how do I now deal with having the children solely 24/7 on my own which means I won’t be able to do anything for myself"
I'm not convinced you'll find it that much harder than it is now, because I'll bet when you sit down and examine what he adds, it isn't much. And you're only 25. 25 with a big wide beautiful life in front of you once he's no longer there to reduce your horizons. It is tough with little ones, but little ones grow up so fast and it get's easier and easier as they do. You are strong. You will find your way.