Welcome to BYC by the way.:)
One last thing. This is imo the best article on ventilation from a person who lives in a similar climate to yours.
https://www.backyardchickens.com/articles/repecka-illustrates-coop-ventilation.77659/
I thought you might be.
That style is essentially a copy of many of the prefab/flatpack coops I see for sale.
For example:
https://coopsandhutches.co.uk/product/the-courtyard-xl-chicken-coop/?gad=1&gclid=EAIaIQobChMIvpuwrqXe_wIVAuTtCh09kARdEAQYAiABEgKIhfD_BwE
It's a very popular style. It does...
You're going to need a well ventilated fortress.
A popular design here on BYC is to build a coop with the run attached, usually from one end of the coop making a rectangle with coop and run combined.
I've read your yard is fenced but I doubt it's security fencing.
I would sugggest you build you...
The right track.
What is your climate like? You could fill in your location in your profile which will help people give advice/opinions relevant to the weather you get.
What predators do you have?
Why do you want to keep chickens and how do you intend to keep them, fully confined, out of the...