NSW Re Marry and protecting assests

[SapphireRose]

Is there any way to stop the new spouse from gaining access to the property that I sill share with my ex?

 

[Atticus]

Are you still living as separated under one roof as per your previous thread from February? >>> NSW - Seperating but don't want to sell the house

Are you saying your husband now has a new girlfriend?
What steps are you taking to divide assets and reach a property settlement?