Some owners want to sleep in the house the night they collect the keys. Others find the idea of somebody else choosing their furniture unbearable. Both are fine; what is not fine is deciding at practical completion.
What changes
Power and data positions, joinery depths, the lighting circuit layout, and whether the wardrobe modules are built in or free-standing. Retro-fitting a furnished specification into a house designed empty means chasing walls that were never meant to be chased.
Our default
We ask at the first meeting and we write the answer into the employer’s requirements, because it is cheaper to change your mind on paper than on site.