But what is the reasoning for everyone working core hours?
Is that because it provides a better service to the customer or service user?
Is it because there is insufficient work to do outside of core hours?
Is it because you reducing hours would impact on other colleagues workloads?
Is there a policy with a qualifying period to make a flexible working request in your place? Is it written down?
How much do you want to reduce your hours by? As they could look at employing someone else to do the remaining hours.
The reason of wanting everyone to do core hours isn't good enough on its own. It would not stand up if challenged.
Many managers deny a verbal request. Put in writing they'd find it difficult to back it up I'm telling you.
I've had managers want to refuse requests and when I tell them to provide the evidence, they can't. Or they want me to help get the evidence.
Having been a mum who worked part time when mine were younger, I don't let them get away with that.
In all those cases the manager concedes and allows it because they don't have the evidence. My word to them is.. if this gets to a tribunal can you justify it?
Is a request genuinely cannot be accomodate, then I'm happy to work with the manager on it.
It's not just the discrimination issue you'd use. Having young kids is enough of a reason, but just dropping in a mention of your DS and the disability will make them think twice. Public sector employers have a greater obligation to be flexible here.
It might piss them off but they wouldn't show it or that would be victimisation. Stand your ground.
I don't know if your manager is make or female, but I generally found women bosses without kids were the worst. And I challenged refusals to flexible working twice in two different public sector places and won both times.
They should have known better than to do that to a HR person wouldn't you think.