I am answering your question in your thread.
Room program
Which rooms do I want
What do I want in the rooms
e.g. The wardrobe must hold the shoe collection with 150 pairs + 100 bags
The office-gamer-ironing room must have the pool table
The dining table should have xyz dimensions
etc.
I do not want
Bed under the window – it bothers me now
Distance TV - sofa under xyz
There is no Excel list, the whole thing is too individual for that
With your parents, there is also the issue of how accessible it is, from threshold-free to wheelchair accessible there is a lot