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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to think my ex should pay more child maintenance when he earns £720k a year?

462 replies

Pashpash24 · 13/08/2025 19:14

I’ll try to keep this as short as possible while giving some back story.

I was with my ex-partner for four years. We had a son together, but he walked out before he was born. He saw him a few times as a newborn, but I had asked that he didn’t bring his new partner. My son was six weeks old when he turned up at my door with her, even though I’d said it was too soon.

He took me to court saying she should be allowed to meet him. The court agreed it was too soon and suggested maybe when the baby was older.

Because of that, he told me he would never see his son again. I was devastated and said fine, she can meet him, because I didn’t want him to walk away. But he still refused and never saw him again.

For six years, he had no contact — no visits, no messages, nothing. The only thing he did was pay child maintenance. It was a decent amount (£1,277.50 a month), and I never asked for more.

He went on to have three more children with his now wife. I just got on with life until one day my son came out of school and asked, “I must have a dad, right?” I’d never told him about his father because I didn’t want him to feel abandoned.

When he started asking more questions, I texted his dad to say I was going to tell him the truth — I wasn’t going to raise him on a lie. I’d messaged over the years, even sent photos, and he’d read them on WhatsApp but never replied. So I didn’t expect a response this time either.

Surprisingly, he replied and said maybe it was time to meet. This was when my son was six (he’s now nearly nine). In the last three years, he’s probably met him in person about 10 times. He calls roughly once every 10 days, which I think is poor — it should’ve progressed a lot more by now.

Anyway, to the point. I recently logged into my Child Maintenance account after receiving an unusual notification. It showed his salary: £720,000 a year.

I’ve always been paid £1,277.50 a month because that’s what CMS caps it at. He could earn £1 million a week and I’d still receive that same amount — you have to go to court for any increase.

Would he be able to afford more? Absolutely. I know it’s a decent amount, but he only pays it because that’s the legal minimum CMS tells him to.

I’m self-employed and work part-time so my son can do after-school activities — he’s football mad and trains/plays four times a week. I’m essentially raising him alone; my dad moved 40 miles away, and I have no relationship with my mum. I rarely get a break, but that’s been the reality since the start.

I’ve never asked for an increase, but life is much more expensive now. £1,277 doesn’t go as far as it did six years ago, and £720,000 a year is a huge income.

To put it into perspective — CMS only calculates maintenance on a maximum salary of £156,000 a year. My ex earns over four times that, but I still only get the amount they’d set for £156k — just over 2% of his actual income. Unless I go to court for a “top-up order”, that’s all I’ll ever get.

AIBU to ask for more?

OP posts:
Rosscameasdoody · 16/08/2025 06:57

Crushed23 · 16/08/2025 00:56

Why on earth wouldn’t she get child benefit? Didn’t they remove/increase the threshold recently too?

I didn’t say she didn’t get child benefit, there was some discussion upthread about UC contributions and OP confirmed she doesn’t claim it. All benefits were uprated in April and the cap is still in place.

Dramatic · 16/08/2025 12:43

It's wild to me that if the man came on here and wrote "my ex, who I walked out on when she was pregnant, wouldn't let my new girlfriend come with me to visit my newborn son so I abandoned him for years and now she wants more CMS even though I pay the minimum which is capped well below what I earn" he would be absolutely torn to shreds, I bet not a single soul would be blaming the ex or defending him in any way. MN is wild sometimes.

MarvellousMonsters · 16/08/2025 17:42

FrippEnos · 15/08/2025 14:54

I wonder if that would make the poster that said the ex should buy her a house change their mind about that.

I suggested he should buy her a house, just a 2-3 bedroom big enough for her and their son to live in comfortably forever. Why should her living in a house her ex provided mean she is banned from ever having another relationship ever again? What actual bullshit.

As several people have said, if he’s a pro-sports person and his high earning potential is limited due to his age, he should set his eldest child up in a secure home for life, whilst he still has enough disposable income to do it. You can be pretty sure he’s protected his second family along the same lines.

FrippEnos · 16/08/2025 18:44

MarvellousMonsters · 16/08/2025 17:42

I suggested he should buy her a house, just a 2-3 bedroom big enough for her and their son to live in comfortably forever. Why should her living in a house her ex provided mean she is banned from ever having another relationship ever again? What actual bullshit.

As several people have said, if he’s a pro-sports person and his high earning potential is limited due to his age, he should set his eldest child up in a secure home for life, whilst he still has enough disposable income to do it. You can be pretty sure he’s protected his second family along the same lines.

She can see who she wants.
But why should the ex foot the housing bill for it?

If she is in a relationship
Would you be happy for her and the DS to live in the new partners house? or does he have to foot the bill for that as well?

Rosscameasdoody · 16/08/2025 19:47

Dramatic · 16/08/2025 12:43

It's wild to me that if the man came on here and wrote "my ex, who I walked out on when she was pregnant, wouldn't let my new girlfriend come with me to visit my newborn son so I abandoned him for years and now she wants more CMS even though I pay the minimum which is capped well below what I earn" he would be absolutely torn to shreds, I bet not a single soul would be blaming the ex or defending him in any way. MN is wild sometimes.

Absolutely this.

Rosscameasdoody · 16/08/2025 19:52

Allisnotlost1 · 15/08/2025 12:45

From the first post: ‘I was with my ex-partner for four years. We had a son together, but he walked out before he was born. He saw him a few times as a newborn, but I had asked that he didn’t bring his new partner. My son was six weeks old when he turned up at my door with her, even though I’d said it was too soon.’

He wasn’t ‘a friend with benefits’ and the OP never said any such thing.

Edited

This is one of two posters here who clearly haven’t read, or are choosing to ignore what the OP actually said in favour of making it up as they go along to support their narrative that OP is a feckless scrounger. There is no information as to why her partner left, and no one is making the timescale connection here. He left at some point while OP was pregnant and had a new partner by the time she had the baby. And as you say, there was no suggestion that he didn;t want the child until OP said she didn’t want the partner anywhere near the baby. All of this has been ignored. And to be honest, I don’t think I would want a woman I suspected of cheating with my partner while I was pregnant anywhere near my child either.

Allisnotlost1 · 17/08/2025 00:24

Rosscameasdoody · 16/08/2025 19:52

This is one of two posters here who clearly haven’t read, or are choosing to ignore what the OP actually said in favour of making it up as they go along to support their narrative that OP is a feckless scrounger. There is no information as to why her partner left, and no one is making the timescale connection here. He left at some point while OP was pregnant and had a new partner by the time she had the baby. And as you say, there was no suggestion that he didn;t want the child until OP said she didn’t want the partner anywhere near the baby. All of this has been ignored. And to be honest, I don’t think I would want a woman I suspected of cheating with my partner while I was pregnant anywhere near my child either.

Both of them seem bonkers. And, despite wanting to morality police the OP, neither seem to have drawn the only obvious conclusion that the father was cheating with the new woman before he walked out. Apparently men cheating is fine.

MarvellousMonsters · 17/08/2025 18:53

FrippEnos · 16/08/2025 18:44

She can see who she wants.
But why should the ex foot the housing bill for it?

If she is in a relationship
Would you be happy for her and the DS to live in the new partners house? or does he have to foot the bill for that as well?

But why should the ex foot the housing bill for it?

Because it’s his child. Because he’s done fuck all but pay the mandatory minimum. Because his eldest child deserves to be as secure as his three younger children. Buying a small house for his son (and the OP) makes sure they are always securely housed, no matter what. If OP goes on to have a new relationship and more children and needs to move to a bigger home, the ‘child support’ house can be rented out until the son is old enough to inherit it. Or whatever. But no matter which way you look at this, the absent father is being a cheapskate and a dickhead.

WickedElpheba · 17/08/2025 20:30

OP I think you're being unreasonable

He has a responsibility to pay for his son but he sounds like he's doesn't that. He doesn't have to share a bigger portion of his money with you just because you had a child together.

If I split with my DH I wouldn't expect to give him loads more money if I earned more and he chose to work part time. I'm sure you wouldn't either.

StarCourt · 18/08/2025 19:26

MarvellousMonsters · 17/08/2025 18:53

But why should the ex foot the housing bill for it?

Because it’s his child. Because he’s done fuck all but pay the mandatory minimum. Because his eldest child deserves to be as secure as his three younger children. Buying a small house for his son (and the OP) makes sure they are always securely housed, no matter what. If OP goes on to have a new relationship and more children and needs to move to a bigger home, the ‘child support’ house can be rented out until the son is old enough to inherit it. Or whatever. But no matter which way you look at this, the absent father is being a cheapskate and a dickhead.

absolutely what @MarvellousMonsters said

Hettiee · 18/08/2025 20:55

WickedElpheba · 17/08/2025 20:30

OP I think you're being unreasonable

He has a responsibility to pay for his son but he sounds like he's doesn't that. He doesn't have to share a bigger portion of his money with you just because you had a child together.

If I split with my DH I wouldn't expect to give him loads more money if I earned more and he chose to work part time. I'm sure you wouldn't either.

This isn't about her working part time though. It's about the father paying a proportion of his salary. As he earns a lot, the figure is high but that's what happens when you have a rich dad - you tend to have more money.

If you and your DH split you would have to pay a percentage of your salary, irrespective of what your ex earned or how many hours they worked. Because you are a parent and you owe it to your child. It's really nothing to do with your ex.

Overdonecabbage · 01/11/2025 16:55

tangerinemagic · 13/08/2025 21:57

He will pay 45% tax on that plus childcare for his other 3 children. No way his partner would have them all home. Plus mortgage, plus holidays, cost of living and child maintenance. Still very good money but probably he works long hours and sacrifices a lot. To give you an idea I earn £200k a year and pay £60k in London to have two DCs in nursery to work. Plus I’m taxed 40%, country loves fleecing the wealthy.

Edited

You pay £60k a year for two nursery places? @tangerinemagic

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