Immovable. What is the cost of building a detached house?


According to 2019 data from the Ministry of Ecological Transition, the average cost of the house in construction projects continues to rise in 2019. Although the average purchased area stabilizes, the average price of land also continues to increase, but s’ However, it grew less and less quickly for the third consecutive year. Price disparities exist depending on the zones and regions.

An average construction cost up by 2.4%

In 2019, the average cost of building a house in France was € 176,600 (+ 2.4%).

Across all houses, the average price per m2 of floor space increased by 2.5% (from € 1,438 per m2 in 2018 to € 1,474 m2 in 2019).

The average house area is 120 m2, a figure that has been stable since 2016.

A high cost in Corsica

Average house construction cost prices vary by region from € 1,300 per m² in the Center-Val de Loire region to € 1,692 per m² in Corsica. The Provence-Alpes-Côte d’Azur (Paca) region is approaching this high price (€ 1,623 per m²).

In the Grand Est region and in Auvergne-Rhône-Alpes, it is almost equivalent with a price of € 1,523 per m2 and € 1,561 per m2 respectively. It is lower in Bourgogne-Franche-Comté (€ 1,473 per m2).

Grand Est: the highest floor area

The average surface area of ​​new houses varies between 112 m² in the Pays de la Loire region and 137 m² in the Grand Est region, the highest.

In Bourgogne-Franche-Comté, people live on average in a new house of 125 m², in Auvergne-Rhône-Alpes of 123 m² and in Paca of 121 m².

The prices of building land are rising slightly

The average purchase price of the land was € 82,061 in 2019. A figure which continues to increase slightly (i.e. + 1.2% compared to 2018). The average surface purchased is stable at 935 m2 (i.e. an average price of € 88 per m2).

If we take into account the cost of building the house and that of the land, this represents a total investment of around € 253,600 (i.e. + 2.1% compared to 2018, after + 3.8%), and the purchase of the land for a third of the operation (32.4%).

An increase in the prices of building land throughout the territory

In 2019, the average price per m2 of building land increased in all zones. In zone A (including A bis), which includes the agglomeration of Paris, the Côte d’Azur and the French part of the Geneva metropolitan area, this average price per m2 is slowing (+ 2.4% in 2019, after + 4.3% in 2018). The number of land purchased in this zone in 2019 nevertheless remains limited (4% of the total).

In zone B1, which includes other agglomerations with more than 250,000 inhabitants, this price has risen sharply (+ 8.1%, after + 3% in 2018).

In zones B2 and C, which include the rest of the territory, the average price per m2 of building land increases by 1.9% and 3.1% respectively.

Price disparities by region

The average price of land per m2 reached € 246 in Île-de-France (+ 7.89% compared to 2018) and € 171 (+ 13.9% compared to 2018) in Paca.

In Bourgogne-Franche-Comté, it does not change in 2019 (€ 47 per m2). In the other regions, the average price of land is € 84 per m² in the Grand Est (- 1.7%) and € 96 per m² (+ 1.1%) in Auvergne-Rhône-Alpes.

Land prices vary depending on the buyer

The diversity of the prices of land purchased can also be observed according to the socio-professional category and the age group of the buyer. Thus, in 2019, workers bought their land € 62 per m² on average as in 2018, and executives and higher intellectual professions € 114 per m² (compared to € 111 per m² in 2018).

These prices also vary depending on the age of the buyer. The average price of land purchased by those under 30 is € 67 per m², while it ranges from € 91 to € 101 per m² for other age groups.


Source: A la Une – Le Progrès | Le Progrès by www.leprogres.fr.

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