Single word or expression for something to to be or going to be
As good as
From Farlax Dictionary of Idioms via TFD:
- The same quality as; comparable to. Just use this toothpaste—it's as good as that fancy brand you usually get.
- Essentially; nearly the same as. The turkey is as good as finished, so please start setting the table. I'm as good as
Or in your examples:
This house is as good as sold.
Your application is as good as accepted.