朝南 (south-facing) commands a real estate premium in mainland China — it gets the most sunlight in winter (the Northern Hemisphere) and follows centuries of architectural tradition (the emperor's throne always faced south). Listings boast
南北通透 (nánběi tōngtòu, 'cross-ventilated north-south') as the gold standard.
朝北 (north-facing) is the cheapest orientation.
