Natural lighting is essential in any household. One strategy to bring light to spaces without exterior openings is to use transparent polycarbonate roof tiles in a no-slab roof condition. Another one is to use short walls to make light travel through reflection to the needed rooms.

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Splitting and staggering the roof might help to illuminate specific spaces with the help of a clerestory window/opening. This strategy requires adding structural elements like a beam, for instance, to allow for the short walls and staggered roofs to be part of the same design. It might involve more financial investment and hired help.

  

Opening windows facing an exterior opening might help to illuminate inboard rooms as well.