Discover Hauts-de-Seine & Property in the Area

Hauts-de-Seine is a department in the Île-de-France region, located west of Paris. Renowned for its wealth, it is considered France's richest department and one of the wealthiest in Europe. It is part of Grand Paris, which includes the inner suburbs beyond the city limits. The department borders Seine-Saint-Denis and Val-de-Marne to the east, Val-d'Oise to the north, Yvelines to the west, and Essonne to the south. As of 2022, Hauts-de-Seine has a population of 1.65 million, making it the fifth most populous department in France. It spans 176 square kilometres and is the second-most densely populated area after Paris. The prefecture is Nanterre, with Boulogne-Billancourt…

Hauts-de-Seine is a department in the Île-de-France region, located west of Paris. Renowned for its wealth, it is considered France's richest department and one of the wealthiest in Europe. It is part of Grand Paris, which includes the inner suburbs beyond the city limits. The department borders Seine-Saint-Denis and Val-de-Marne to the east, Val-d'Oise to the north, Yvelines to the west, and Essonne to the south. As of 2022, Hauts-de-Seine has a population of 1.65 million, making it the fifth most populous department in France. It spans 176 square kilometres and is the second-most densely populated area after Paris. The prefecture is Nanterre, with Boulogne-Billancourt and Antony serving as subprefectures; Boulogne-Billancourt has a larger population.

La Défense: A Thriving Economic Hub

One of the most popular attractions in Hauts-de-Seine is La Défense, a modern commercial complex that houses offices, cinemas, and shopping centres. It is one of the main economic hubs of Grand Paris and is regarded as a significant business district in Europe. As of 2020, Hauts-de-Seine had the highest GDP per capita in France, at €107,800, making it one of the most prosperous regions in Europe.

Key Information about Hauts-de-Seine (92)

• Main City/Prefecture: Nanterre
• Nearest Airport: Paris-Charles de Gaulle Airport
• Population: Around 1.65 million (as of the latest census)
• Area: 176 sq. kilometres and 68 sq. miles
• Landmark: La Défense, Europe’s largest business district, featuring the iconic Grande Arche.
• Number of Tourists/Year: Approx. 4 million, visiting for its modern architecture, shopping centres and cultural sites.

Property Prices in Hauts‑de‑Seine in 2026

• Houses: the average price per sq. metre: €6,270 
• Apartments: the average price per sq. metre: €7,085
• Price trends: +3% over the last 12 months, –4% over the last 5 years

House Prices in the Main Towns in Hauts‑de‑Seine in 2026

• Average House Price in Nanterre: €5,222 per sq. metre
• Average House Price in Boulogne‑Billancourt: €9,645 per sq. metre

(Source: Le Figaro October 2026)

Understanding the Hauts-de-Seine Property Market

The Hauts-de-Seine property market has shown modest increases in published price estimates during 2026. Between April and October, average house values rose by approximately 0.8%, while apartment estimates increased by 1.8%. October figures place average house prices at €6,270 per square metre and apartments at €7,085, making this one of the most expensive departments outside Paris.

The departmental averages conceal differences between individual communes, particularly those closest to central Paris and more distant residential markets. Local comparisons remain essential when assessing property values.


To learn more about France, explore our "at a glance' guide and infographic, packed with facts and figures.