The average price per m² in Chambourcy is 3 724 €/m² for an apartment, based on actual notarised (DVF) sales. About 32 transactions are recorded each year.
Ambience illustration of Chambourcy, a residential commune of the Yvelines close to Saint-Germain-en-Laye.
The average price of an apartment in Chambourcy stands at 3 724 €/m², based on sales registered before notaries and published in the DVF database. The house, which makes up most of the stock in this commune of detached homes, trades on average around 4 546 €/m². The gap between the two reflects demand oriented towards single-family housing, in a residential setting close to Saint-Germain-en-Laye. The average covers very different properties: houses in the hillside developments, older millstone homes, apartments in the small blocks of the town centre. The size of the plot, the aspect and closeness to the roads towards La Défense explain part of the gaps. The figures come from the DVF database, which lists sales actually completed.
Prices from the DVF file (Demandes de valeurs foncières, published by the DGFiP), transactions actually recorded at the notary at municipality level. Cross-referenced with the Notaires de France - INSEE indices. Learn more about our methodology.
The market in Chambourcy depends first of all on Paris-region demand for the residential communes of the western suburbs. Buyers are well-off households choosing between several communes of the Seine loop and the forest of Saint-Germain, which aligns Chambourcy's values with those of its most sought-after neighbours. The scarcity of land and the single-family character of the commune limit new supply and keep the market tight.
Two forces bear on the years ahead. Dearer credit has held back some buyers and lengthened selling times on the most expensive properties, while energy performance is becoming a selection criterion on older millstone houses. At the same time, the structural demand for a green setting close to Paris stays solid, which supports the values of well-kept, well-placed family properties.
A commune of detached houses close to Saint-Germain-en-Laye, Chambourcy holds a level close to Poissy and Marly-le-Roi, while staying below the most highly rated communes of the Seine loop such as Le Pecq. Its market remains carried by the detached house and a sought-after wooded setting.
Chambourcy is a former farming village on the plateau overlooking the loop of the Seine, on the edge of the forest of Saint-Germain. Long turned towards vines and the market gardening that supplied the court and the capital, the commune lived in the shadow of the neighbouring royal town, Saint-Germain-en-Laye. Its territory, cut by wooded hillsides, kept until the 19th century a rural character marked by farms and country retreats.
The commune keeps a singular set of buildings inherited from the Enlightenment, the Désert de Retz, a picturesque garden laid out at the end of the 18th century by François Racine de Monville. It holds a series of follies, including an inhabited broken column that fascinated writers and architects, from the circle of Marie-Antoinette to the surrealists. This park, restored and open to the public, anchors the heritage identity of Chambourcy and recalls the long-standing residential vocation of this part of the Yvelines.
In the 20th century, the closeness of Saint-Germain-en-Laye and better road links turned the village into a sought-after residential commune of western Paris and its region. The hillsides filled with housing developments, while the town centre kept its scale. The opening of the A14 motorway towards La Défense, then the arrival of golf courses and leisure facilities, completed Chambourcy's place among the well-off communes of the outer ring.
According to INSEE, the French national statistics institute, Chambourcy has close to 5 800 inhabitants and shows the profile of the well-off residential communes of the western Yvelines. The stock is dominated by the detached house, with a limited share of apartments in small blocks. Buyers are above all families settled or settling in: managers and professionals working at La Défense, in Paris or in the employment hubs of the Seine valley, drawn by the green setting, the closeness of the forest of Saint-Germain and the quality of the schools. Demand is driven by the search for a house with a garden within reasonable reach of the capital, which keeps values high despite the modest size of the commune.
The average price of an apartment is 3 724 €/m² and that of a house around 4 546 €/m², based on sales recorded by notaries in the DVF database. These are town-wide averages that bring together varied properties: a house in a hillside development, an older millstone home and an apartment in a small block do not sit at the same level. The size of the plot, the quality of the build and access to the routes towards Paris weigh on the final price.
The commune enjoys a sought-after position in western Paris and its region, next to Saint-Germain-en-Laye, in a wooded setting well served towards La Défense and Paris. Family demand for houses with gardens is strong, while supply stays limited by the size of the commune and the scarcity of land. That tension supports levels clearly above the national average.
The stock of Chambourcy is overwhelmingly made up of houses, from the development home to the older residence. Apartments exist but stay in the minority, spread across a few blocks in the town centre. A buyer looking for a smaller home or a buy-to-let investment therefore has a narrow choice, while families find most of the supply on the detached house side.
The A14 motorway, a toll road that is often free-flowing, links the sector directly to La Défense and Paris. The nearby stations of Saint-Germain-en-Laye and Poissy give access to the RER A and the Transilien lines towards the capital. That accessibility, combined with the residential setting, explains much of the commune's appeal for working households in the Paris region.
On the hillsides, the nature of the subsoil and the presence of former gypsum quarries can justify care over ground stability: the risk prevention plan is worth consulting. The surroundings of the Désert de Retz and the forest of Saint-Germain come under protections that frame building work. Finally, on older houses, the energy performance certificate and the condition of the roof and joinery guide the negotiation.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).