In a renovation on the other hand we have to consider what effect a new skylight will have on the efficiency of the existing building. In some cases the additional sunlight (and therefore heat) can help reduce the amount of energy needed to heat the house. It depends greatly on the local climate but also on the design of the building envelope of the house.
Ambient light. This acts as fill light. “In bathrooms with taller ceilings a cove or cantilever details ambient lighting fixtures can be installed along the perimeter of the space” Whitehead says. “Architectural details such as these can hide the fixture and create indirect lighting”.
Bright idea for unexpected lighting: Look for opportunities to install light fixtures in alcoves tray ceilings and wall niches to trace interesting lines. Notice the hidden lights in the ceiling alcove above the cylindrical fireplace mantel here.