Core Insights - The new regulations in Hangzhou allow certain enclosed balconies to count as half of their area, leading to an increase in usable space for new homes, with an estimated increase in usable area by about 3% [1][5] - The design of the Jun Chao Runfu project features a 108㎡ unit with a high usable area rate of approximately 96%, which is significantly higher than the typical 80%-90% seen in similar high-rise developments [1][3] - The project benefits from a lower overall plot ratio of 1.7, and the inclusion of non-counted areas such as wind corridors further reduces the shared area, enhancing the usable space compared to similar products [5] Regulatory Impact - The new regulations have reintroduced high usable area rates reminiscent of previous years, as developers adapt designs to meet market demands while ensuring room functionality [5] - The previous strict regulations from 2018 limited the area calculations for balconies and other features, reducing the developers' ability to "steal" area, but the recent changes have allowed for a resurgence in higher usable area rates [5] Market Comparison - The Jun Chao Runfu project showcases a significant improvement in usable area compared to past developments, where units like the 90㎡ from Shunfa and Meijia could effectively utilize space equivalent to 170㎡ due to design alterations [5] - The current market average for high-rise new homes in Hangzhou is around 80% usable area, indicating that Jun Chao Runfu's offerings are competitive and advantageous [5]