The average price per m² in Les Essarts-le-Roi is 3 104 €/m² for an apartment, based on actual notarised (DVF) sales. About 18 transactions are recorded each year.

Atmospheric illustration of Les Essarts-le-Roi, on the edge of the Rambouillet forest.
In Les Essarts-le-Roi, the benchmark price stands at 3 104 €/m² for an apartment. This level reflects a residential market in the Yvelines department, on the edge of the Rambouillet forest, dominated by detached houses and driven by demand from Île-de-France families looking for space and nature. These values come from DVF data, the French notarised sales database, meaning transactions actually registered with notaries, not estimates based on listings. They give an order of magnitude: each property still has to be assessed according to its condition, its energy performance and its location within the municipality.
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 Les Essarts-le-Roi market is driven by Île-de-France demand for a green setting accessible by train: the search for space and nature at a reasonable distance from Paris supports prices, particularly for family houses. Properties close to the station and on the edge of the forest sell well, while older energy-inefficient detached houses take longer. Transaction volumes remain moderate, which makes each sale sensitive to the condition and location of the property.
In the longer term, the price trajectory depends on two factors. On the one hand, the appeal of a forest setting linked to Paris by rail and the protection of the regional nature park support demand. On the other, energy performance is becoming decisive: well-insulated properties gain value, while poorly insulated homes sell at a discount. The scarcity of buildable land in a protected area tends to support the value of existing houses.
Les Essarts-le-Roi sits in the middle of its area: its prices stay above those of Maurepas, while remaining below more sought-after municipalities such as Le Mesnil-Saint-Denis and Rambouillet.
Les Essarts-le-Roi lies in the south of the Yvelines department, on the edge of the Rambouillet forest, on a wooded plateau rising to around 180 metres. The name of the municipality comes from essartage, the forest clearing that its first inhabitants were authorised to carry out at the end of the 10th century. Later attached to the lords of Montfort, then incorporated into the royal lands around Rambouillet, the municipality keeps in its name the memory of this conquest over the forest domain.
Local economic history was shaped by quarrying, which notably supplied paving stones for Paris until the 1930s. The arrival of the railway in the 19th century, with a direct link through the station, transformed the village by speeding up its development and connecting it to the capital. This rail service remains a structuring asset for the municipality today.
Les Essarts-le-Roi is today a residential municipality belonging to the Rambouillet inter-municipal authority and part of the Parc naturel régional de la Haute Vallée de Chevreuse, a regional nature park. It offers the local services of a town of its size, shops, schools and business parks, in a setting where the forest and protected natural areas take centre stage.
According to INSEE, the French statistics institute, Les Essarts-le-Roi has around 6 831 inhabitants. The market is aimed first at Île-de-France families who work in Paris or in the west of the conurbation and look for a greener setting, at a reasonable distance from the capital thanks to the railway line. The housing stock consists mainly of detached houses with gardens, which steers demand towards buying a main residence rather than buy-to-let investment. The closeness of the Rambouillet forest and the train service support steady demand from working people looking for space.
The benchmark price in Les Essarts-le-Roi stands at 3 104 €/m² for an apartment. This figure comes from DVF data, the sales actually signed with notaries. It is an average: a recent, well-insulated house or an older detached house in need of renovation can differ markedly from this base, depending on the floor area, the condition and the location of the property within the municipality.
The surroundings of the station and the centre concentrate shops and services, valued for everyday convenience and direct access to Paris. Around them, the residential neighbourhoods on the edge of the forest offer houses with gardens, sought after by families for their calm and nature. Properties close to the woodland and well connected to the station remain among the most popular.
The municipality has a station on the line linking Paris-Montparnasse to Rambouillet and Chartres, which gives direct access to the capital without changing trains. This rail service is one of the main drivers of housing demand: it places Les Essarts-le-Roi both in a forest setting and within reach of the Île-de-France employment area.
The local market is above all a market for houses. Apartments are available, mostly near the station and in recent developments, but supply remains more limited. For a buyer, the detached house with a garden is the dominant product, suited to family life on the edge of the forest. An apartment can suit a first purchase or a limited budget close to the station and services.
Membership of the Parc naturel régional de la Haute Vallée de Chevreuse and the closeness of the Rambouillet forest regulate building rights and the protection of the landscape. The energy performance of older buildings is another point to watch. Before any project, consulting the local urban plan at the town hall makes it possible to check whether a plot can be built on and which rules apply.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).