Windows
... you can buy a preassembled bow window from just about any big-box home improvement retailer. These bow windows will be smaller and typically will have a shallow arc, but they are very cost-effective ways to get that extra space, light and view. Budget: If you're looking to dramatically change a room and are handy, you can install a bow bay for around $1,500 to $,2000.
The interior of an oriel can be finished as an expansion of the floor area or with some built-in seating and cabinetry.
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