You can find many examples of bird houses online, and here I found a decent pattern for a “one board” bird house. I had off-cuts of a bunch of old fence boards that I wanted to use, and the measurements worked.
This project shows you how to build a bird house in less than 45 minutes, but just like with pancakes, my first version is less than perfect. You’ll learn what to watch out for when starting out with perfectly good-but-used materials. If you have a slightly more meticulous approach, you will end up with a prettier result.
What you’ll need:
- finishing nails to put it all together
- a nail gun or hammer and nail sink,
- two round, smooth nails or deck screws for the door hinge,
- another deck screw to close the front (between nesting seasons, it’s your job to clean the birdhouse out – also an interesting and informative project),
- a drill with a same-size bit for the deck screws and a spade bit ranging from 1-⅛” to 1-½,” depending on the bird you want to attract,
- two spiral nails to fix the birdhouse to the post top,
- and a post, either round like a fence post and implanted into the ground or held by a support, OR
- a 4×4 fence post anchored in a cement deck block with a wood shim.
The height of the door hole and the diameter of the door influences what kind of bird might take up residence. This chart is only a part of the one I found in this Internet Wayback Machine archive from TrueValue Hardware.
This birdhouse could, if I lived in a more meadowed neighbourhood, house bluebirds. Instead, I’m likely to welcome a pair of chickadees.
Also note: there’s no peg like one often sees with store-bought birdhouses. Why not? Well, unfortunately, that peg provides a nice roost for predators. So don’t add a peg to your birdhouse designs, and if you have a house that has one, research the species of bird for the birdhouse (tree swallows seem to like having a front porch on their nesting boxes…) and consider cutting it off.
The pattern I found with the cut measurements 
My stack of off-cuts 
Use a mitre saw for fast work 
My off-cuts, cut 
A hack to nail edges: use a vice! And check the pattern before nailing. 
Squaring the work and testing it – but not lapping the boards correctly 
Nailing the other side (first mistake) 
Get the front door on with a screw-hinge – smooth nails are also an option (second mistake) 
Floor dimensions were also a touch too broad (third mistake) 
Putting the floor in place 
Lining the floor up without making it perfectly level (fourth mistake) 
Marking off the stop on the door 
Drilling the front door screw (fifth mistake)… 
It looks centred 
…but you can see it’s not 
Putting the entrance hole the right height – 6″ from the floor 
…and centring it properly (lesson learned) 
Using a 1-½” spade bit because I don’t have 1-¼” 
Using a corded drill for more power 
Entry porthole cleanly drilled 
Now for the roof! 
See this mistake? It’s the first. The box was supposed to be as narrow as the board. 
Neither long-at-front nor wide-across fits. 
But I had other piece of wood I could use for the roof 
An attractive roof that fits! 
Mistake #2 is now apparent – not drawing a straight line for the axis of the front door 
Mistake #4 meant a crooked floor, sloping L-to-R 
And mistake #1 and 3 (box and floor dimensions) meant this door isn’t flush but sloped 
So let’s put it on the old post by first removing the door 
and then nail it in place with two spiral nails through the floor 
Crooked birdhouse on top of the post 
Now to steady the post 
Use a shim at the base of the post in the concrete block 
Move it to where I want it 
So the house is now straight and the post is slightly leaning right 
What I now see from the back door!
Although not “perfect” according to my mistakes, it’s absolutely good enough to house a pair of birds. I’ll do a better job with the next nest box, which I might install in a public place.
Speaking of which: If you live in an apartment, you could try installing it on your balcony or your building’s rooftop, but I’d search within a sight-line of one of your windows for a municipal signpost – and hang it at a good height. As you can see from the chart, you can go up even 15 feet. Indeed, hanging bird houses is in the public interest, as people will enjoy seeing it, especially if it gets used.
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