I want to try to renovate all the bird houses around here this fall. We have several of them, mostly serving the house sparrow community (with one comfy cottage for a family of black-capped chickadees).
We bought this triplex, and it’s a good unit except it was built without consideration for cleaning out the old nests, so using a drill and jigsaw, I made rear clean-outs. This unit sits on the pole by gravity so next summer when nesting is done, I just have to take it off the pole, remove 2 screws for each apartment, and fish out the old nesting material.
Tuffy P did the paint job on this housing complex. I just put it back on the pole. House sparrows will use it for shelter and then will nest in the apartments in spring. Hopefully house sparrows enjoy polka dots.