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Question DetailsAsked on 12/23/2014

Has anyone ever converted a 2-car garage with a single door into a 1-car garage with side patio?

I only have one car. The family that previously owned my house never even used the garage. It's a really nice 2-car with a single door and hearty bones. I evision repurposing the garage into a single bay on the side closest to my neighbor, yet keeping the same roof for the entire structure and building a separating wall in the middle; that would become the new side exterior wall.The remaining half would be exposed; I'd build columns or posts where the previous exterior wall used to be to create a covered patio/portico. I would also add a standard walkthrough door into the garage from the patio side as an entry into the single garage, as I currently do not have a standard door to get into the garage. Has anyone ever done this or seen it done?

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1 Answer


I have seen/done garage to sunroom conversions, but never to a patio.

My recommendation - for the cost of building an outdoors concrete or paver patio and awning/shed roof off the side of the garage, I would think you could get that for near the price of converting the garage and still have the full garage for storage/cars.

Remember a couple of things -

1) taking out the outside wall means supporting the roof and putting in substantial beams and columns with individual foundations (especially in heavy snow/ice country), so that is an expensive operation just to re-support the roof.

2) Also, this would not be an easily revertible change, so it might detract from the resale value of the house as future buyers might want the two car width garage. One-car garages are very out of vogue - most buyers want at least a 2-1/2 car garage - 3 car is very desireable.

3) A normal 2 car (as oparking a car and getting in and out of the car - the center-of-garage car door opening and moving around space overlaps into the other car's "half" - for instance, even in 2-1/2 car garages you are ikely to hit doors if you open them on both cars at the same time - so you would have to leave more than half the width for the resulting single bay to provide adequate door opening space, reducing your "patio" space.

What I would recommend as a possible alternative, assuming you are not in really cold country where heat loss from the garage would be prohibitive - put a patio outside if you want for sitting outside with shed roof, gazebo, awning, whatever - and put in a series of studbay-width tall narrow windows (or wider by taking out say every third stud and bridging over with header if desired) as a year-around sunroom in that "half" of the garage, with an easily removeable studwall or divider panel dividing wall from the garage if you want. Be sure all materials used meet fire code - particularly if there is living space over the garage, as garage/sunroom construction will have to meet fire code for flammability.

Answered 5 years ago by LCD

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