The average price per m² in Fontenay-aux-Roses is 4 327 €/m² for an apartment, based on actual notarised (DVF) sales. For a house or villa, it is 7 019 €/m². About 160 transactions are recorded each year.
Mood illustration of Fontenay-aux-Roses, on the plateau de Châtillon in the Hauts-de-Seine.
The average price recorded in Fontenay-aux-Roses stands at 4 327 €/m². That average covers a stock made up overwhelmingly of flats: according to INSEE, the French national statistics institute, apartments account for close to 80,8 % of dwellings, against around 15,6 % houses. Most sales therefore concern apartments, from the small blocks of the centre to the developments of the 1960s to the 1980s built on the hillside. Houses, rarer, trade markedly higher: the average price recorded on houses and villas comes out at 7 019 €/m². Closeness to the RER, aspect and energy rating open the gaps from one property to another. The figures come from the DVF database, which records the transactions actually registered before notaries.
House : 7 019 €/m²
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 local market rests on a clear residential function: Fontenay-aux-Roses is a municipality of the inner suburbs, some thirty minutes from Paris on the RER B, where almost all dwellings are main residences. Demand comes mainly from families and working households looking for an apartment better placed or greener than inside Paris, while staying connected to the capital. That sustained demand meets a territory already largely built up and very compact, which limits new supply and keeps pressure on the prices of well-placed apartments.
In its immediate surroundings, the municipality sits rather at the bottom of the range compared with neighbours such as Sceaux or Bourg-la-Reine, which can represent a way into a sought-after part of the Hauts-de-Seine. New-build supply remains rare on a constrained territory, and activity concentrates on the resale of existing apartments, whose energy performance weighs more and more in negotiations. The conversion of the CEA site towards life sciences and the works around the green spaces also sustain the appeal of the town.
A residential municipality of the inner suburbs, Fontenay-aux-Roses sits below its most highly rated immediate neighbours, such as Sceaux and Bourg-la-Reine, and a little under Châtenay-Malabry. The gap comes from the weight of flats and from the structure of its housing stock.
The name of the municipality brings together two realities of the place: the springs, the Latin fontanetum whose water runs down the hillside, and the roses, grown here from the 17th century to the 19th century. The village long supplied Paris with flowers, with nurserymen and rose growers who served the market of the capital. From the middle of the 19th century, rose bushes gave way to horticulture judged more profitable, and flower growing took over before urban development reached the plateau. The memory of that calling remains inscribed in the name of the town and in the rose garden of the coulée verte, which today brings together several dozen species.
The opening up of the town came from the railway. The ligne de Sceaux, forerunner of today's RER B, has served the municipality for a long time and tipped it into the residential suburbs of Paris. The town hosts institutions that mark its history: the École normale supérieure de Fontenay-aux-Roses, opened in 1881 to train women teachers, remained here until its transfer to Lyon in 2000. On the heights, the Fort de Châtillon, on municipal land, became on 1 March 1946 the first research centre of the Commissariat à l'énergie atomique, the French atomic energy commission. It was there that the Zoé pile, the first French nuclear reactor, was brought into service in 1948.
The second half of the 20th century set the present face of the municipality: a dense residential fabric, mixing millstone houses, small blocks of flats and larger developments, on a territory of 2,5 km² among the most compact in the department. The CEA centre has since begun dismantling its nuclear facilities in order to refocus on life sciences. The coulée verte of the southern Paris region crosses the town over some ten hectares, with its rose garden and its meadows, while the parc Sainte-Barbe, a former château park, was redeveloped in 2025.
According to INSEE, Fontenay-aux-Roses has around 24 070 inhabitants on a small territory, with a stock in which apartments account for close to 80,8 % of dwellings and houses 15,6 %. Main residences form the bulk of the stock, around 93 %, and second homes remain marginal, under 2 %: this is a municipality lived in year-round, not a holiday place. Among households, 42,8 % are owners and close to 55 % tenants, a high share of tenants that reflects the weight of flats and the student and salaried presence linked to the research and teaching centres. Buyers are mainly families and working households of the metropolitan area, drawn by the RER B, the schools and a setting greener than the average of the inner suburbs, who are looking for a main residence some thirty minutes from Paris.
The average price recorded is 4 327 €/m², calculated from the transactions registered before notaries and published in the DVF database. It is a municipal average, covering a studio near the RER as much as a large family apartment or a town house. The average price recorded on houses and villas reaches 7 019 €/m². Location, storey, aspect and year of construction explain most of the gaps. A reliable valuation rests on recent comparable sales, not on the average alone.
The municipality is served by line B of the RER, at the gare de Fontenay-aux-Roses, which runs directly to Denfert-Rochereau and the centre of Paris. Tramway T6 passes nearby and links Châtillon-Montrouge, where line 13 of the metro is found, to Viroflay. The coulée verte also offers a continuous cycling and walking route towards the southern Paris region. These links explain part of the demand for main residences and weigh on the value of the best-placed properties near the station.
The supply of houses is limited. According to INSEE, they account for only around 15,6 % of dwellings, against close to 80,8 % apartments. They are often millstone houses or town houses set on the hillside, with variable floor areas and plots. Sale references are few, and the gap in price per square metre with flats is clear, which makes the valuation of a house more dependent on its condition, its plot and its aspect than on the municipal average.
The municipality combines a horticultural heritage, the roses that gave it its name, a strong presence of green spaces with the coulée verte of the southern Paris region and the parc Sainte-Barbe, and a scientific hub established long ago around the CEA centre, the cradle of French nuclear research and today turned towards life sciences. On a territory of only 2,5 km², that mixture of history, research and nature feeds the residential appeal of the town and sustained demand on a limited housing stock.
As everywhere, a sale means gathering the compulsory surveys, first among them the energy performance certificate, which has become decisive in negotiations on a stock that is partly old. Letting a furnished tourist rental requires a declaration at the town hall. It is also worth anticipating the property tax and, for an apartment, the state of the co-ownership and the level of service charges, which weigh on value just as much as location.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).