After 22 years of working in a recording studio control room with no light, I have finally opened the room up to natural light with a large 2 metre wide window with studio glass plus underfloor electric heating installed by Woodstow Build and Design.
Whilst it might seem desirable from an acoustic point of view to have no window, the downsides of working without natural light and air are manifest – light and oxygen provide energy and being able to see the outside world going by makes you feel connected. Especially if you’ve been in a bunker for a couple of decades!
The acoustic treatment of the room was designed by GIK Acoustics. They offer a very good service where you can send in the dimensions of your space and they will recommend acoustic traps and placement. Highly recommended. Take a look here. The room has a nice acoustic feel for doing vocals and acoustic instruments like violins and guitar – but for voiceovers I still use the dedicated voice booth and Neumann U87.