You can write an agreement or notarize it, but it does not affect the ownership of the house in this state.
However, if you do this, I don't know if the woman will have an opinion. As the saying goes, "Marry Han, dress and eat". If this is done, the woman's material life after marriage will inevitably lack great protection. ...
If you are asked about the motivation and original intention of doing this, it is suggested that the house and loan under your parents' name are for the convenience of buying a house for the second time in the future, and you can still enjoy the preferential policies of the national first home loan in your own name.
But, on the other hand, I still hope that the young couple will be happy forever, and this will never happen!