>>2943348 (OP)
Everyone's different, but I lived for two years in a room where my twin bed took up an entire wall and I had to set my chair on the bed to open the door, and I didn't really mind it.
>>2943348 (OP)
Kid having his own room is already a luxury, regardless of the size. As long as there's wifi and electricity socket he should be fine. I used to live in a parnty (3.4sqm) at one point and it decent enough.
One handy trick is getting a bunk bed and using one of the bunks as additional storage space.
>>2943348 (OP)
I lived in a 9qm room just fine when I first moved out. If he's allowed to lock his door and still use the living room and kitchen with his friends it's allright.
>>2943348 (OP) >when he hits puberty
Why is this part of the question? Will he be allowed to masturbate in this room? If so, then locate the bed and desk behind the door swing.
>>2943348 (OP)
A small bedroom is fine because bedrooms are mainly used for sleeping which doesn't require a lot of space. A spacious closet helps though so he has a place to store his belongings and winter clothing