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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:
HopscotchBanana · 13/08/2025 23:12

Allisnotlost1 · 13/08/2025 22:59

The ex-boyfriend is also the father of the child.
And she’s not wondering how to get more money out of him - she’s wondering if his contributions are fair, given he earns a large amount over what CMS takes into account.

How do you calculate that her contributions are less than his? She has raised the child alone for 9 years. She worked full
time until a year or two ago. Then ran a cafe, so she’s only been working part-time for a little while. She may well bring in £1200 a month from her cleaning job.

I expect OP spends a high proportion of her income on her son. The father contributes 0.17% of his salary.

Edited

Yeah this doesn't add up either.

I'd seen the £1200 figure somewhere on the thread elsewhere and picked that up as being OPs earnings.

OP has addressed this and says she doesn't qualify for UC. And in order for that to be the case as a single mum in rented accommodation, she would need to be taking home the best part of £35k. Net. That's about £52k gross a year, as a part time office cleaner...

Praying4Peace · 13/08/2025 23:13

Labradorlover987 · 13/08/2025 22:51

I just don’t understand this mentality - just because you got £0 means everyone else has to be grateful for whatever they get?

Sort of. I do think that absent parents should pay maintenance but I feel OP is getting a much better payment than the majority of single parents

RubySquid · 13/08/2025 23:13

Rosscameasdoody · 13/08/2025 21:31

UC won’t be paying any more of OP’s rent that the local housing authority rate, and it isn’t a lot.

So 100% if she's in social housing

HRTQueen · 13/08/2025 23:16

Amuseaboosh · 13/08/2025 19:25

It's more than enough.

Family Law practitioner here.

Unless your son has severe medical needs above and beyond, it's more than enough.

Your ex has 3 other children to factor in.

Edited

Mmm really

then you should know that high earners are also often expected pay towards school fees and for their children whom they do not live with live a similar standard to what they live regardless of the parents relationship

the problem op is that someone with money can pay to hide money so I would ask first and if they become difficult I would probably drop it

Labradorlover987 · 13/08/2025 23:18

Praying4Peace · 13/08/2025 23:13

Sort of. I do think that absent parents should pay maintenance but I feel OP is getting a much better payment than the majority of single parents

But why does that mean she can’t ask the court to decide if he should pay more? Just because other people get less money?

let’s be honest - anyone on this thread in the same position would be doing the same as the OP

HopscotchBanana · 13/08/2025 23:19

Allisnotlost1 · 13/08/2025 23:09

Oh of course, you’re the wife and that’s how you know about his parenting of his other children and are so protective of his money.

Otherwise, there’s just no explanation for justifying a man being a shit father to one of his kids and a great father to the others.

Um...ok?

People are allowed not to want to keep a pregnancy you know. It doesn't apply just to women.

OP chose to keep a baby with someone who didn't want to raise a child with her, and who she didn't live with. That's her right. And also her choice and her consequences.

She gets to choose if the pregnancy becomes a child. He gets to choose whether he wants to be involved. She can tell him what to do no more than he can tell her. Although she did tell him who he could bring around his child and she's seen first hand how well that's worked out.

He only has to pay CMS. He does. That's the reality.

Amybelle88 · 13/08/2025 23:20

He walked out on you and wouldn’t meet his son because a woman he is with couldn’t.

I’d definitely be asking for more, no shadow of a doubt.

Allisnotlost1 · 13/08/2025 23:20

HopscotchBanana · 13/08/2025 23:12

Yeah this doesn't add up either.

I'd seen the £1200 figure somewhere on the thread elsewhere and picked that up as being OPs earnings.

OP has addressed this and says she doesn't qualify for UC. And in order for that to be the case as a single mum in rented accommodation, she would need to be taking home the best part of £35k. Net. That's about £52k gross a year, as a part time office cleaner...

So what’s your point - on the one hand you’re accusing her of being lazy, and the other lying about her earnings?

Either way, how do you calculate that she’s contributing less than the father to her child’s upbringing?

Strangerthanfictions · 13/08/2025 23:23

I would just message him and say that you've become aware that he is paying far less than he should have to and you feel it's fair that you ask for an increase in money due to your child getting older and cost of living rising. Tell him that you can seek a child maintainence top up order via the court to secure you and increase but you'd hope that he might make an offer and you can settle it yourselves. You will get many people saying you're getting plenty and why do you need more but that's not the point, your husband is a wealthy man and he had a child and your child, like the other child should benefit from it, he has a wealthy father why shouldn't he get some extras in life from that like I am sure his half siblings do.

HopscotchBanana · 13/08/2025 23:24

Allisnotlost1 · 13/08/2025 23:20

So what’s your point - on the one hand you’re accusing her of being lazy, and the other lying about her earnings?

Either way, how do you calculate that she’s contributing less than the father to her child’s upbringing?

Lying and being lazy aren't mutually exclusive.

The point is, the information seems to "evolve"

Allisnotlost1 · 13/08/2025 23:26

HopscotchBanana · 13/08/2025 23:19

Um...ok?

People are allowed not to want to keep a pregnancy you know. It doesn't apply just to women.

OP chose to keep a baby with someone who didn't want to raise a child with her, and who she didn't live with. That's her right. And also her choice and her consequences.

She gets to choose if the pregnancy becomes a child. He gets to choose whether he wants to be involved. She can tell him what to do no more than he can tell her. Although she did tell him who he could bring around his child and she's seen first hand how well that's worked out.

He only has to pay CMS. He does. That's the reality.

I don’t know what you’re arguing here really. OP raised the child she wanted, father didn’t stick around, he is paying what’s legally mandated but it appears that there is a possibility a court could order that he pay more. No-one is or can ‘tell him what to do’, and neither can anyone tell OP that she can’t investigate whether she may be entitled to a higher payment via court ordered top up.

Well done for summarising the thread. I still think you’re the wife.

Allisnotlost1 · 13/08/2025 23:26

HopscotchBanana · 13/08/2025 23:24

Lying and being lazy aren't mutually exclusive.

The point is, the information seems to "evolve"

I’m not sure it’s evolving, I think you’ve misunderstood. She hasn’t said she earns 1200 a month and then changed it - she said she can’t claim UC, which could be because of earnings or could be because of savings.

HopscotchBanana · 13/08/2025 23:33

Allisnotlost1 · 13/08/2025 23:26

I’m not sure it’s evolving, I think you’ve misunderstood. She hasn’t said she earns 1200 a month and then changed it - she said she can’t claim UC, which could be because of earnings or could be because of savings.

Edited

No no, I really haven't. The information changes. And OP works a few hours a week cleaning, on at least £52k pa.

Now, I must tend to my £720k pa husband. Because being the 1 in 70 million chance of being his wife responding on this thread is more obvious in your mind, than the discrepancies and changes information

Allisnotlost1 · 13/08/2025 23:33

Praying4Peace · 13/08/2025 23:13

Sort of. I do think that absent parents should pay maintenance but I feel OP is getting a much better payment than the majority of single parents

Because the majority of single parents don’t have a former partner earning in the top 1%.

HopscotchBanana · 13/08/2025 23:34

Allisnotlost1 · 13/08/2025 23:26

I’m not sure it’s evolving, I think you’ve misunderstood. She hasn’t said she earns 1200 a month and then changed it - she said she can’t claim UC, which could be because of earnings or could be because of savings.

Edited

Correct.

Perhaps re read what I said.

Allisnotlost1 · 13/08/2025 23:34

HopscotchBanana · 13/08/2025 23:33

No no, I really haven't. The information changes. And OP works a few hours a week cleaning, on at least £52k pa.

Now, I must tend to my £720k pa husband. Because being the 1 in 70 million chance of being his wife responding on this thread is more obvious in your mind, than the discrepancies and changes information

Where did she say she earns 52k cleaning?

HopscotchBanana · 13/08/2025 23:38

Allisnotlost1 · 13/08/2025 23:34

Where did she say she earns 52k cleaning?

FML.

You can just read the thread you know.

Whattodo1610 · 13/08/2025 23:39

You get approx £320 per week and you can’t afford to buy ds better food, go to clubs, nice clothes etc??? Really??? What the hell do you do with that money then?? The mind boggles 😵‍💫

MummyMIH · 13/08/2025 23:41

Of course his dad should be paying more! The response on here are wild.
Talk about women tearing each other down.
Thank goodness your son has you in his corner OP as his dad sounds like a complete waste of space.

Allisnotlost1 · 13/08/2025 23:43

HopscotchBanana · 13/08/2025 23:38

FML.

You can just read the thread you know.

Likewise. You’ve made the assumption that OP can’t claim because of earnings. She hasn’t said that and there’s an actual explanation for why she’s ineligible that you seem to have missed.

You’ve attacked her from the start and I think it’s blinded you to what’s actually been written.

bumbaloo · 13/08/2025 23:44

I would ask him to set up a LISA or ISA director son and put in 500 a month.

he may feel ok to for this because it’s clearly not going subsidise you. It will solely be an additional amount for his son in the future.

lovehoneybees · 13/08/2025 23:45

Imo he should pay more. I think a decent lawyer is the next step.

But as a very nosy aside, what job does he have?! 😂If it’s something other than finance or law, I’d love to know what field he’s in!

Namechangerage · 13/08/2025 23:45

HopscotchBanana · 13/08/2025 23:38

FML.

You can just read the thread you know.

So can you.

Nowhere does it state OP’s annual salary.

He has the right to not see his child and pay the minimum CMS payment (even though it makes him a bit of a twat). She has the right to take him to court for a top up given his high earnings. Both are true so why don’t you go and calm down a bit eh?

Namechangerage · 13/08/2025 23:47

lovehoneybees · 13/08/2025 23:45

Imo he should pay more. I think a decent lawyer is the next step.

But as a very nosy aside, what job does he have?! 😂If it’s something other than finance or law, I’d love to know what field he’s in!

He plays sport according to OP.

HopscotchBanana · 13/08/2025 23:49

Allisnotlost1 · 13/08/2025 23:43

Likewise. You’ve made the assumption that OP can’t claim because of earnings. She hasn’t said that and there’s an actual explanation for why she’s ineligible that you seem to have missed.

You’ve attacked her from the start and I think it’s blinded you to what’s actually been written.

Edited

She has in fact, said exactly that.