Carport Attached To Existing Garage. On average, expect to pay $12,000 to $16,000 for labor costs alone to have a carpenter finish off the walls and install doors. These types of carports allow for proper rain run off and can allow ice and snow to melt evenly without causing pools of water that are often found on flat top carports.
Apparently, the reason for people adding the attached carport to the house plans more than that. That’s because a carport, unlike a garage, is merely a covering. Garage plans with attached carport.
These special designs not only offer a completely enclosed area for auto storage, but they also deliver a covered parking or storage area that is open on at least one side.
In this way, one or two of the sides of the carport are covered by walls. They are sometimes attached to the house but can be freestanding. Converting a carport to a garage typically saves about 20 percent over the cost having a contractor construct a new garage—provided the carport's slab, support posts, and roof are in good shape. If the garage will be attached to your home, there are likely to be requirements you will need to follow.