The average price per m² in Fontenay-sous-Bois is 5 749 €/m² for an apartment, based on actual notarised (DVF) sales. About 344 transactions are recorded each year.
Mood illustration of Fontenay-sous-Bois, between residential hillsides and office district.
The average price recorded in Fontenay-sous-Bois stands at 5 749 €/m². That average covers a contrasted stock: according to INSEE, the French national statistics institute, about three dwellings in four are apartments, the remaining quarter being detached houses inherited from the estates of the plateau and the hillsides. The gaps play out between the collective blocks built during the urbanisation of the 1960s and 1970s, to the north and around Val de Fontenay, and the residential streets close to the bois de Vincennes. Social housing accounts for nearly a quarter of main residences, which weighs on the average. These figures come from the DVF database, which records sales actually registered before notaries.
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.
After 6 229 €/m² in 2021, the average price in Fontenay-sous-Bois reaches 5 749 €/m² in 2026, roughly -8 % over the period.
The first driver of the Fontenay market is employment. The Val de Fontenay district forms the main office hub of eastern Paris, over some 160 hectares, with sites of Société générale, Axa and BNP Paribas. INSEE counts more than 30 000 jobs in the municipality for 53 757 inhabitants, a ratio that is rare in the inner suburbs. That concentration supports rental demand and attracts working households looking to cut their commute. The population grows slowly, by around 0,3 % a year between 2017 and 2023, carried by natural increase rather than by new arrivals.
The second driver is the transport timetable. Val de Fontenay already combines the RER A and the RER E; Line 15 East of the Grand Paris Express is due to be added in 2031, and the eastward extension of metro Line 1 remains under study. These deadlines feed the development schemes around the station, with housing and office programmes. The rest of the municipality changes more slowly: the low-rise fabric of the plateau moves little, and the collective blocks of the 1960s and 1970s account for most of the refurbishment work. The market therefore reads at two speeds depending on the sector.
Fontenay-sous-Bois sits in the upper half of the Val-de-Marne market, above Champigny-sur-Marne and slightly behind Montreuil. Levels there remain well below those of Paris, which is nonetheless less than ten kilometres away.
The name Fontenay comes from the springs that surfaced on the plateau. The place is mentioned as early as 847, and the Latin form Fontanedus is attested in 848, before the spelling aput Fontenete in 1194. In 982, the local church was attached to the chapter of the cathedral of Paris, and a leper house was established on the edge of Vincennes in 1219. In the 14th century, Charles V had the spring water of the plateau captured to supply his château de Beauté, on the banks of the Marne. Under the Ancien Régime, the estate came under the abbey of Saint-Victor and vines occupied most of the cultivated land.
The arrival of the railway in 1859, with the Vincennes line running from the Bastille, changed the scale of the village. Parisians built country houses there, then residential estates spread over the hillsides. Industry settled in the same period: the Gaveau piano works, then pharmaceutical activities, employed a growing working population. Market gardening still held on across the plateau, and it was here that the Belle de Fontenay potato appeared around 1885, a variety that still carries the name of the municipality. This dual identity, residential and productive, shaped the town until the Second World War.
From the 1960s onwards, the creation of a priority development zone turned the last farmland over to construction: collective blocks, public facilities, then a new town hall opened in 1973. On 8 December 1977, the RATP opened the Val de Fontenay station on the RER A; the SNCF opened its own the next day, on the Paris-Est to Mulhouse line. The A86 motorway was brought into service in sections during the 1980s and 1990s. Around the station an office district of some 160 hectares developed, home to Société générale, Axa and BNP Paribas. The municipality today counts more than 30 000 jobs over 5,58 km².
Fontenay-sous-Bois has 53 757 inhabitants according to INSEE, over 5,58 km², that is nearly 9 600 inhabitants per square kilometre. The stock reaches 24 672 dwellings, of which 93,1 % are main residences: the town is lived in year-round and the second-home market is marginal there. About three quarters of dwellings are apartments and a quarter detached houses, which leaves real room for individual housing, rare this close to Paris. Households owning their main residence account for 50,2 % of the total. Buyers are mainly people working in Paris or in the Val de Fontenay office district, and families leaving the capital for a larger home.
The average price per square metre in Fontenay-sous-Bois stands at 5 749 €/m², across all apartment types. That figure comes from the DVF database, which records sales actually signed before notaries, and not from advertisements. It is a municipality-wide average: a studio in a collective block in the north of the town and a townhouse close to the bois de Vincennes depart from it markedly. An online valuation lets you place your own property more precisely.
The municipality is organised between the plateau, where the old centre sits around the église Saint-Germain-l'Auxerrois and the town hall, and the sectors urbanised later to the north and the east. The residential streets of the south, close to the bois de Vincennes and to the boundary with Vincennes, concentrate family demand. Around Val de Fontenay, the built fabric is dominated by the collective buildings of the 1960s to 1980s and by offices, with noticeably lower price levels.
Two stations serve the municipality: Fontenay-sous-Bois on the RER A, and Val de Fontenay, opened on 8 December 1977, which combines the RER A and the RER E. With nearly 100 000 passengers a day, it is the leading interchange of the eastern Paris region. The A86 runs along the eastern side of the territory. The station is due to receive Line 15 East of the Grand Paris Express, announced for 2031, and the eastward extension of metro Line 1 remains under study.
Unlike Vincennes or Saint-Mandé, Fontenay-sous-Bois keeps a genuine stock of detached housing: according to INSEE, about a quarter of dwellings are individual houses, concentrated on the plateau and the southern hillsides. These houses, often built between 1900 and 1939 on narrow plots, trade above the municipal average and rarely change hands. Apartments offer a far wider choice, from postwar blocks to recent schemes close to Val de Fontenay.
Work on the future Val de Fontenay station started in 2025 with the diaphragm walls, earthworks getting under way in early 2026 beneath a cover slab intended to limit noise. In the short term, the immediate neighbours face site footprints and altered traffic, a point buyers check. By 2031, the Line 15 East station is sized for 85 000 passengers a day. Ask for the street-by-street works timetable before setting your price.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).