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You can bring an application to have the transfer set aside.
That means the house will be treated as if it is still in her name.
If she declares bankruptcy she will then lose the house.
You should make it clear to her now, through a lawyer that this is what you will do and so if she declares bankruptcy she will lose the house. That may stop her.
Either way you can seek to have the transfer set aside as fraudulent as the transfer was made to defeat a creditor which make it a fraudulent conveyance.
You should do it now before she declares bankruptcy in the hope she will not.