To choose the optimal orientation for a townhouse, prioritize south-facing windows for primary living areas to maximize natural light and reduce heating costs. Prioritize north-facing units if privacy or protection from extreme weather is critical. Prioritize east-facing spaces for morning sunlight or west-facing for evening cooling, depending on climate. Assess proximity to green spaces or noise sources, as overlooking quiet areas enhances livability.

South-facing orientations are optimal in temperate climates like the Northern United States due to their ability to capture passive solar gain. A 2020 study by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) found that south-facing homes in regions with cold winters reduce heating demands by 20–30%, cutting energy bills by $200–$400 annually. Conversely, north-facing units in storm-prone areas like the Midwest often suffer from lower natural light, increasing reliance on artificial lighting and raising energy costs by 15% compared to south-facing peers. A 2019 University of California study linked south-facing windows to 8–12% higher resale values in urban markets, as they enhance indoor comfort and curb appeal. East-facing spaces suit areas with hot summers, as morning sun reduces afternoon cooling needs, while west-facing orientations can mitigate heat gain in cooler climates. A 2021 National Association of Realtors report noted that 65% of buyers prioritize windows with unobstructed views, which often correlate with south-facing exposures. Privacy concerns, however, may override orientation preferences; a 2022 Zillow analysis found that north-facing townhouses in dense urban areas command 5–7% higher prices due to reduced overlooking risks. Ultimately, balancing solar exposure, climate, noise, and resale potential ensures long-term value and comfort.