The average price per m² in Montigny-le-Bretonneux is 3 627 €/m² for an apartment, based on actual notarised (DVF) sales. About 195 transactions are recorded each year.
Mood illustration of Montigny-le-Bretonneux, in the Yvelines.
In Montigny-le-Bretonneux, the average price of an apartment stands at 3 627 €/m², according to DVF data, that is the transactions actually registered before notaries. That average covers a stock built almost entirely after 1970, as the new town of Saint-Quentin-en-Yvelines went up: blocks of flats in the urban centre around the station and the theatre, office and housing schemes at the Pas du Lac to the north, more residential sectors of the Village, the Manet and the Plan de l'Église. The gaps from one property to another come above all from the distance to the station, the year the scheme was delivered and the presence of a parking space or a garden.
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 first driver of the market is its role as the centre of the conurbation. Montigny-le-Bretonneux brings together the Saint-Quentin-en-Yvelines station, the shopping and administrative centre of the new town, the theatre inaugurated in 1993 and the Vélodrome national opened in 2014. That centrality supports continuous demand from households who work locally or in the western Paris region, without depending on any tourist flow. The market remains liquid, with around 195 transactions a year in the municipality, a volume sufficient to give reliable price benchmarks sector by sector.
The second driver is the structure of the stock and its renewal. The buildings were delivered in waves between the 1970s and the 2000s, which today produces a resale market rather than a new-build market, with energy renovation at stake on the oldest jointly owned blocks. The share of owner-occupiers, down from 63,2 % in 2012 to 55,6 % in 2023 according to INSEE, reflects a faster turnover of homes. The quality of the upkeep of the block and the energy performance rating weigh more and more in negotiations.
Montigny-le-Bretonneux sits in the lower part of this group of Yvelines municipalities. Its price level remains behind that of Louveciennes and Saint-Nom-la-Bretèche, and clearly below that of Versailles.
The first written mention of a village on the territory of Montigny goes back to 1204, in the forms Montegni and Montani, in a cartulary listing church property deeds. The name comes from the Latin Montiniacum, and the qualifier le Bretonneux appears in the 14th century in the form le Brestonneux, tied to a term describing marshy ground. The church of Saint-Martin, raised around the 13th century, was rebuilt in 1610. Away from the main roads, the municipality lived on grain and livestock around two farming estates, the ferme du Manet, of medieval origin, and the lands of the Village.
Vincent Marin Notta, who farmed the ferme du Manet and then served as mayor of the municipality from 1841 to 1878, completed in 1863 the building of the château de la Couldre, a Second Empire dwelling of some thirty rooms in the middle of a wooded park of thirteen hectares. The property stayed in the same family until its sale in 1973. Montigny remained a village until then: around 500 inhabitants in 1947, 1 292 in 1970. It is that low density, on a largely farmed and wooded plateau, that explains why the State had there the land needed for the new conurbation project.
The decision to set the new town of Saint-Quentin-en-Yvelines there was taken in 1965, the first works began in 1970 and the public development body was created in 1972. Montigny went from 1 292 inhabitants in 1970 to 10 063 in 1980. The Saint-Quentin-en-Yvelines station opened in 1975, the urban centre took shape around it, and the theatre of Saint-Quentin-en-Yvelines, designed by Stanislas Fiszer, was inaugurated on 27 September 1993. The château de la Couldre housed from 1977 to 2011 the head office of the development body and then of the conurbation authority, before being converted into a home for elderly people in 2018.
The Vélodrome national, opened to the public on 13 January 2014 and inaugurated on 30 January following, completes that centrality: it houses the head office of the Fédération française de cyclisme and hosted the track cycling events of the Olympic Games of 2024. The municipality today has 32 465 inhabitants spread across nine districts, from the old core of the Village to the estates of the Pas du Lac, the Prés or the Sourderie, with green spaces that cover a large share of the municipal territory.
Montigny-le-Bretonneux has 32 465 inhabitants and 15 677 dwellings, of which 93,7 % are main residences, 2,4 % second or occasional homes and 4,0 % vacant dwellings, according to INSEE, the French national statistics institute. The stock is made up of 70,1 % apartments and 28,1 % houses. Again according to INSEE, 55,6 % of households own their main residence and 43,0 % rent, including 20,5 % in social housing. That share of owners, which was 63,2 % in 2012, places the municipality in a logic of family home ownership rather than of buy-to-let investment. Buyers are above all working households employed in the job areas of Saint-Quentin-en-Yvelines or in the western Paris region.
The average price of an apartment in Montigny-le-Bretonneux stands at 3 627 €/m², calculated on the DVF transactions actually completed before notaries, for a volume of the order of 195 sales a year. That municipal average covers gaps depending on the sector, the year the scheme was built and the distance to the station. A specific home may therefore sit appreciably above or below that benchmark.
The municipality is divided into nine districts. The suburban sectors and the streets close to the old core of the Village, the Manet and the Plan de l'Église generally trade above the municipal average, as do the recent developments a few minutes' walk from the station. The blocks of flats from the first waves of the new town, delivered in the 1970s and 1980s, sit rather in the lower part of the market.
The Saint-Quentin-en-Yvelines station, opened in 1975, is served by Line N of the Transilien towards Paris-Montparnasse, in 24 to 37 minutes depending on the service, by Line U towards La Défense and La Verrière, and by branch C7 of the RER C. With more than 9,6 million passengers in 2022, it is one of the busiest stations in the Yvelines. The closeness of that station remains a decisive price criterion from one sector to another.
Yes. The municipal stock counts 28,1 % houses against 70,1 % apartments, according to INSEE, a proportion clearly higher than in most municipalities of the inner Paris ring. The houses are concentrated in the districts designed as grouped detached housing when the new town was laid out, as well as around the Village. That segment renews itself little and properties in good condition find a buyer quickly.
Indirectly. The north of the municipality, at the Pas du Lac, brings together business premises and head offices, among them Bouygues Energies et Services, along with sites of car manufacturers and of the aerospace industry. The Vélodrome national, home of the Fédération française de cyclisme since 2014, and the theatre of the national stage strengthen the role of the municipality as a centre. Together they keep up a demand for housing tied to local employment rather than to seasonal letting.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).