Build a dog kennel
Building a dog house yourself is one of the smartest investments you’ll ever make, OP.
Not only will you have a far more attractive place for your dog to stay, you can feel proud in the knowledge that you built your best friends home with your own two hands. Click here to check out some insulated dog house plans that are cheap.
I highly recommend these. They helped me put up a dog house in my garden rather quickly — and they're insulated too!
Here is a tutorial that might help: https://www.familyhandyman.com/garden-structures/fences/how-to-build-a-chain-link-kennel-for-your-dog/