The project at 223A Mount Vernon Rd treats natural light as a design material. The layout is oriented to allow daylight to reach the core of the apartment throughout the day, reducing the dependence on artificial lighting and giving the home a quality that changes naturally with the hours. The living and dining areas benefit most from this approach, feeling open and calm during the day and warm and settled in the evening. Partitions and built-in elements are positioned so they do not interrupt the path of light between openings. Wall and ceiling finishes are selected to reflect rather than absorb, amplifying the effect of available natural light across the whole floor plan. The kitchen is positioned and finished to stay bright without relying on overhead lighting alone. Bedrooms are treated to allow light during the day while giving the option of full darkness for sleep. The result is a home that feels larger and more generous than its footprint would suggest.