Recently separated and husband wanting to buy a house

[PeaPeaEeByGum]

My husband and I are discussing separating. He says he doesn’t want to but is immediately looking at local property to buy.

He is saying that he will continue to pay the mortgage on the house we currently live in as well as the new place. I am uneasy as none of this is set in stone. I gave up work for many years to raise children and he earns 12 times what I do, if not more. I have a job that fits around the kids. I cannot afford to stay in the family home without his support.

He is planning to use a mixture of our savings/mortgage to buy the new place. Will this negatively affect me when it comes to dividing up our assets? I can’t think straight at the moment.

Seek legal advice asap. Use firm that specialises high earners. You'll be fine though. Do not do anything on his way so.

If you have joint savings then you could ask the bank to freeze the account

They are an asset of the marriage and half yours OP at least. As are half the debts....
Go get advice - it's too complicated. Freeze the savings account if you can.
He could be a nice guy, wanting to see you and the kids housed right and him able to move on. Or not....
Give yourself some breathing space. Read up on divorce. Understand what would be considered fair in a split in a court in your position (sahm to high earner with high standard of living, hols etc, spousal maintenance could be a factor.
Has he mentioned capital gains tax if he's on 2 houses though?it would be interesting to ask his thoughts on this to see if he himself is clued up or not.
Get thee to a solicitor sharpish.

Have a read at this. www.advicenow.org.uk/guides/survival-guide-sorting-out-your-finances-when-you-get-divorced

As people have said notify your bank that you are separating/divorcing and they will put you through to their “disputed accounts” sept. Accounts including mortgage will be flagged Meaning both parties have to consent to any changes. You can still access info on them just not transact.