北京市统计局：1-10月全市新建商品房销售面积815.9万平方米，同比下降3.7%

Group 1: Real Estate Market Construction Situation - From January to October, the new construction area of real estate development enterprises in the city was 9.383 million square meters, a year-on-year decrease of 9% [2] - The residential new construction area was 5.925 million square meters, down 8.4%; office buildings increased by 34.7% to 267,000 square meters; commercial properties increased by 1.4% to 492,000 square meters [2] - The total completed area was 8.414 million square meters, a year-on-year decrease of 5.7%, with residential completions down 13.3% to 4.334 million square meters [2] Group 2: Real Estate Market Sales Situation - From January to October, the sales area of new commercial housing was 8.159 million square meters, a year-on-year decrease of 3.7% [3] - Residential sales area decreased by 7.3% to 5.543 million square meters; office sales decreased by 11.8% to 530,000 square meters; commercial property sales decreased by 11.6% to 427,000 square meters [3] Group 3: Real Estate Development Enterprises Funding Situation - From January to October, the total funding for real estate development enterprises was 359.2 billion yuan, a year-on-year increase of 8.3% [6] - The funding sources included advance payments of 135.62 billion yuan, up 3.8%; self-raised funds of 95.8 billion yuan, up 15%; and domestic loans of 56.66 billion yuan, up 14.3% [6]