The most important thing when selecting your rabbit's abode or condo is to insure that it is large enough that he does not mind spending time there. I recommend not getting him one smaller than 2'X4'. When you get a spacious condo for him to live in, then he will be a happier more contented bun.
When I go away from my home or go to bed at night, I always lock my bunnies inside their condos. This way I know for certain that they are safe and not getting into mischief while I am not there to supervise them. When I am home, they get to come out of their abodes, but they like them so much that often they do not come out for an hour or more after the doors are opened.
This is a sign that my rabbits like being inside their condos and do not mind spending time there. This is because they have a huge two story affair that allows them to sprawl out and get comfortable.
Believe it or not, the smaller the bunny the more room he needs in his condo due to that fact that most of the very small dwarf and mini breeds tend to be high energy and very active bunnies. Do not be fooled into thinking that your small Netherland Dwarf can get by with a tiny plastic and wire abode like you see at pet stores. Those things are too small for a bunny, especially a very active one like a Dwarf.
Your rabbit's abode should be in an area inhabited by the family. Do not tuck them away in a back bedroom or garage. They are social creatures and like being near the action, just like you do. If they are in a place that no one goes, then they are not participating with the family in the day to day activities and living. Part of having a pet is including them in your life, so don't put your rabbit's condo in a place that people rarely go.
Also, make sure that his abode is not in a place near a window that gets hot direct sunlight. Rabbits can get overheated very easily and you want him to be comfortable. The same goes for drafts and cold breezes.
Even though he has a large condo, your rabbit will still need around 3 hours of "run time" or time out to play and hop around each day. This is very important because just like humans, rabbits need daily exercise.