An attic conversion refers to the process of transforming an unused or underutilized attic space into a functional living area. This type of renovation can add valuable living space to a home, such as an extra bedroom, office, or recreational area. It often involves insulation, flooring, lighting, and structural modifications to comply with building codes. The specific design and cost of an attic conversion will depend on factors such as the size and condition of the attic, desired amenities, and local regulations. It is advisable to consult with professionals, such as architects or contractors, to ensure a successful and compliant conversion.