In October 2026, the real estate market in Boulogne-Billancourt showed differing trends between apartments and houses, both in the purchase and rental markets. For property purchases, the average price per square meter for apartments dropped slightly from 8,347 euros in September 2026 to 8,227 euros in October, a decrease of 1.44%. Meanwhile, the average price per square meter for houses rose from 10,305 euros in September to 10,600 euros in October, an increase of 2.86%. This created a growing gap in prices between apartments and houses, with the difference reaching more than 2,300 euros per square meter by October 2026. In the rental market, the average rent per square meter for houses stayed the same at 30.30 euros in both September and October 2026. Apartment rents, however, saw a small increase, rising from 30.00 euros per square meter in September to 30.10 euros per square meter in October, a rise of 0.33%. This made the difference between apartment and house rents in October 2026 just 0.20 euros per square meter, suggesting that both types of property faced similar rental pressures. The data for purchase and rental prices in Boulogne-Billancourt comes from two real estate platforms: SeLoger and MeilleursAgents.com. These sources track market trends and provide insights into how property values are changing in different areas. Their reports help buyers, renters, and investors understand the local market dynamics. The contrasting trends in apartment and house prices highlight the complex nature of the real estate market. While apartments saw a slight decline in value, houses continued to increase in price, possibly due to factors such as demand, supply, and location preferences. Meanwhile, the minimal difference in rental prices suggests that both property types are experiencing similar levels of demand from tenants. This mix of trends may reflect broader economic or demographic changes in the region.