Father's debt enforcement The only house is in grandpa's name, will it be sealed up?

No, only the property belonging to your father's personal name will be seized and frozen.

The provisions of the Supreme People's Court on the seizure, seizure and freezing of property in civil execution by people's courts (hereinafter referred to as the seizure provisions) Article 17: "If the person subjected to execution sells all the property that needs to be registered and transferred to a third party, and the third party has paid part or all of the price and actually occupies the property, but has not gone through the formalities of property right transfer registration, the people's court may seal up, detain and freeze it; If the third party has paid the full price and actually possessed it, but has not gone through the transfer registration procedures, if the third party is not at fault, the people's court shall not seal up, detain or freeze it. " The promulgation of this article has played an important role in the execution of such cases by the people's courts.