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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

ASD adult daughter still at home

58 replies

Perplexed247 · 18/10/2025 17:22

Help me see what I can’t see

My daughter who is 28 and diagnosed ASD still lives at home with her child, who is 5 also mildly on the autism spectrum. She had intended to move into her own home years ago, but after becoming pregnant, she remained here. Five years on, she wishes to leave. However, her parenting difficulties have made it hard for me to fully support this transition.

She has previously reported me to social services for financial and emotional abuse—claims that were unfounded. Since becoming a mother, her ASD traits have intensified, as the unpredictability of parenting is particularly challenging for her. She struggles to regulate both her own and her child’s emotions, leading to volatile interactions. Her diagnosis as a child was borderline ASD but most likely ADHD also, becoming a mum was a very difficult transition for her having to look after someone else but she was brilliant at some aspects for sure. In other ways it has been traumatic.

Three years ago, I trialled leaving her to manage independently while I was away for two weeks. When I returned, both she and my grandchild appeared distressed and had lost weight, which prompted me to become more actively involved. Since then, I’ve taken on a more hands-on role, partly to safeguard my grandchild’s wellbeing, though my daughter often perceives this as interference or control.

Financially, I work part-time, and both she and her adult brother are expected to contribute towards rent and bills. My daughter paid £450 monthly but stopped six months ago, claiming she was saving for a deposit. However, this has not materialised, and she continues to use household facilities and food without contributing. She also refuses to follow household routines and boundaries, such as agreed washing times, and becomes verbally aggressive when challenged. She has an income of £1550 a month.

Her father refuses to help with a deposit or engage with her support needs, insisting instead that I “fix” our relationship. I’ve encouraged her to seek therapy through her GP, which she has agreed to, which was helpful but as usual not for long, but she continues to struggle with structure, motivation, and self-care. Most days, she spends hours watching Netflix and does little to prepare for her child’s return from school.

In was going to write a letter of support but found out she had told the council that I was abusing her both financially and emotionally and had told her father not to give her the deposit. I didn’t write the letter after that.
I am emotionally exhausted. She has presented as homeless to force rehousing, but was only allowed one night Ina hotel and then went down the route of being in a domestically abused at home to force them to rehouse her. She then got her friend to call social services for a second time and report the situation which resulted in being unfounded. She would be placed in temporary accommodation far from family support, which would be detrimental to both her and my grandchild. The housing officer has told me this. I hear how she speaks to my grandchild and step in and ask her to be empathic which she says is molly coddling. I worry what would happen while they are alone. I declined a social services assessment of my home, as I already work closely with the service and understand their procedures and limitations and also they would place my younger child on a CIN because of my adult daughter’s behaviour.
my daughter needs outside support for her mental health I am at a loss what to do.

OP posts:
Mumptynumpty · 19/10/2025 20:05

Some of the language used to describe autism, both your DD and DGC is out of date.

Write a contract.

  1. It will cost £x to live in my home. Which date each month do you wish to pay this amount?
  2. Housework is a shared job for everyone who lives here. Which daily tasks would be your preferred ones?
  3. All adults in this home must meet the needs of DGC. This is required by the law and must be done kindly, calmly and lovingly. If you are unable to do this please let me know and we will need to make a plan for her care.

Please sign or discuss calmly with me.

I have used demand avoidant language but with clear expectations with space to negotiate. Externalising the requirements (care of child) can make this less personal and a shared societal expectation.

Newnamethisway · 19/10/2025 20:06

Maybe your daughter needs to try to move out with your granddaughter. Yes you have very serious concerns but you are the parent to an 11 year old. If your daughter being at home would lead to CIN for the 11 year old then to stay at home things would have to change.
Contributing to the house financially and otherwise, behaviour. Please do it as I have been like your daughter and wish my parents had been harsher with me.

Newnamethisway · 19/10/2025 20:12

Mumptynumpty · 19/10/2025 20:05

Some of the language used to describe autism, both your DD and DGC is out of date.

Write a contract.

  1. It will cost £x to live in my home. Which date each month do you wish to pay this amount?
  2. Housework is a shared job for everyone who lives here. Which daily tasks would be your preferred ones?
  3. All adults in this home must meet the needs of DGC. This is required by the law and must be done kindly, calmly and lovingly. If you are unable to do this please let me know and we will need to make a plan for her care.

Please sign or discuss calmly with me.

I have used demand avoidant language but with clear expectations with space to negotiate. Externalising the requirements (care of child) can make this less personal and a shared societal expectation.

I think this sort of wording would have really helped me. (I have autism and my parents were too soft in some ways hard in others because I didn’t get a diagnosis until adulthood).

LondonGirrrrl · 19/10/2025 20:27

I think she needs to move in with your ex to give you a break. This might also help with the deposit situation.

Sadly things may have to implode a little for her to get the support she needs. Living in a small flat with her child and then developing the support around them.

Perplexed247 · 20/10/2025 11:36

ASimpleLampoon · 19/10/2025 00:15

Nonsense. The OPs daughter is human, not an incubator that can be thrown away like rubbish.

Yes, I agree. I feel that some comments have been harsh but appreciate that some people would not have put up with it. I have asked for their opinions!

OP posts:
Perplexed247 · 20/10/2025 11:44

LondonGirrrrl · 19/10/2025 20:27

I think she needs to move in with your ex to give you a break. This might also help with the deposit situation.

Sadly things may have to implode a little for her to get the support she needs. Living in a small flat with her child and then developing the support around them.

Thank you, for your comment, he said he would clean out his spare room for her over two years ago but it just didn’t happen. Any conversation I’ve had with him has gone back to me needing to do better, and why should he have to pick up the pieces after me. She has asked him several times to move in and he has said no, citing it would be hard for my GC and youngest not to be living in the same house. And no mention of his DD and how she’s feeling. She is really just a teenager with her behaviour in a 28 year olds body.

OP posts:
Perplexed247 · 20/10/2025 11:47

Newnamethisway · 19/10/2025 20:12

I think this sort of wording would have really helped me. (I have autism and my parents were too soft in some ways hard in others because I didn’t get a diagnosis until adulthood).

Thank you I appreciate this.
I will give this a go.
It can absolutely drive her mad when I take this approach, she tells me I’m deliberately trying to trigger her.
the contract thing is something I have wondered how to word and this has helped

OP posts:
Jamesblonde2 · 20/10/2025 12:06

£1550 per month wow!! She’s a waster.

Tell her to leave, then consider making an application to the court to get a Child Arrangements Order for your grandchild to live with you. She clearly won’t be able to look after her.

Do something now OP before the situation worsens.

In fact I’d raise with SS now that she will be moving out with your granddaughter and you’re worried how she’ll manage her. Drop that seed now.

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