Well, yes, because you literally said this:
"I met my partner during that time. That was around 15 years ago. Every penny I had was going on bills and when things got more serious and I realised we'd be together, my partner moved in and we saved every penny of our joint incomes and we eventually had enough for a low deposit shared ownership house."
You lifted yourself out of poverty with the help of a man. I don't doubt you worked hard. But you used a second income to get out of your situation.
I don't have a room of my own, even if I did want to move a man in. I have to share a room with my daughter. I live in an expensive area. There is no route out of this, other than a lottery win. I had my kids very late, so I'm still in the primary years (three more to go) and I'm 50. I can't get a mortgage for what I'd need for a house on my own, at my age.
I maintain my kids were better off in the home we were in before. They hate being carted off EOW to their father and his new gf's house. It is unsettling for them.
And my life is a constant drudgery of school run, race to work, slog my guts out, school run, do all the cooking, all the housework, all the life admin, all the chores, all the car admin, everything.
We live in a tiny flat. It's all I can afford. Rent goes up, I've nothing to show for it. It is absolutely fucking miserable, the stress of living in such a small space with growing kids, the youngest of whom has to share a room with me, and I can't see how to change that.
I need half a million in this area to get a basic terrace with boxroom bedrooms. This is simply out if my reach, and so I'm stuck living like this til my kids are much older. They can't have friends over as there is simply no room. I have no room for laundry, so it's hung over doors every few days, looking shit. We have no garden.
This is not the childhood I wanted for them. Lucky you all able to leave if you can still maintain a better standard of living for your DC than I can mine.
Thank you to @MyriadOfTravels for understand.
I would indeed have preferred to stay in my loveless yet civil marriage, than expose my poor children to this level of financial hardship and far from ideal living conditions.