But if you are in Shanghai,

This will be difficult.

Because first of all, the loan needs to have a sales contract.

And the most basic principle of the sales contract is

In the case that the other party has a real estate license.

But this is an old house, and I don't know much about it.

All I know now is that it's a mortgage, and the house must have been a house 90 years ago.

It is difficult to mortgage a house 90 years ago.