I currently share a house with 3 other people. Everyone has their own room, and luckily the house is big enough that the birds have their own room. [safe from the cat

] Unfortunately not all of the roommates enjoy the songs of birds echoing through the house at dawn everyday...and when the lease is up for this place, I imagine we won't have the luxury of an extra room for the birds.
My idea was to maybe build some kind of plexiglass aviary that would not only cut down on the sound, but also make the cage/aviary cat-proof for future moving.
I've seen some of you hollow out armoires and dressers, but I would hate to cut back on the natural light they receive. I know there are bulbs, but are they really ok?
Any ideas or tips would be appreciated!