A spare room becomes a home office in an afternoon, and the mistakes come from the same haste: the desk goes where it fits, and nobody checks the space around it.
The desk is too shallow
With a monitor and a keyboard on a 60 cm desk, the screen sits closer than arm’s length. For monitors, depth matters more than width.
No room behind the chair
A chair needs about 90 cm between the desk edge and the wall to roll back. With a bed or a cabinet behind it, you squeeze out sideways.
A loud wall in front of the desk
The wall behind the monitors is the one you look at all day. A bright pattern there pulls the eye off the screen, and notes on a board hung over it get lost. Face the desk to the calmest wall.
The window is in front or behind
A window behind the screen makes the eyes adjust between bright glass and the monitor; a window behind you puts glare on the screen. Keep it to the side.
Cables cross the floor
The desk goes where the room looks best, and the extension lead runs to the far socket. Place it near a socket first.