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Lacaton & Vassal

Paris, France
Anne Lacaton and Jean-Philippe Vassal have won the 2021 Pritzker Architecture Prize.
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Anne Lacaton and Jean-Philippe Vassal have won the 2021 Pritzker Architecture Prize.
Laurent Chalet

Anne Lacaton (1955, Saint-Pardoux, France) and Jean-Philippe Vassal (1954, Casablanca, Morocco) met in the late 1970s during their formal architecture training at École Nationale Supérieure d'Architecture et de Paysage de Bordeaux. Lacaton went on to pursue a Masters in Urban Planning from Bordeaux Montaigne University (1984), while Vassal relocated to Niger, West Africa to practice urban planning. Lacaton often visited Vassal, and it was there that the genesis of their architectural doctrine began, as they were profoundly influenced by the beauty and humility of sparing resources within the country’s desert landscapes. They established their office in 1987. The practice have designed commercial, educational, cultural and residential buildings. A connecting thread across their work is the desire to find what is essential in each situation and to create a modest language of architecture based on an economy of means.

Design concept: Re-Use

Whether it is their celebrated conversion of the Palais de Tokyo or their social housing refurbishments, Lacaton and Vassal make intelligent re-use of the existing, minimising new building through innovative design, and through an appreciation of the transformative possibilities in each situation. They maintain that ninety percent of what is required for most projects is already available on site. Philippe Lacaton traces this attitude to five years spent in Niger which he describes as a formative experience, where he witnessed first hand what could be achieved with very little through the innovation and creativity of those living in scarcity.

Process

Lacaton and Vassal maintain that demolition is not an environmentally friendly option, regardless of how green the replacement building may be. Instead they outline an approach for remodelling the dysfunctional buildings from the inside out, starting with the needs of the users and letting this dictate their form and look. Walls and façades are removed, balconies are added, communal spaces created, alongside the addition of a lightweight structure for a winter garden. These changes occur building by building with the ability to transform the character of the entire neighbourhood. Through a careful phasing of work, their approach also has the advantage of not displacing and scattering established groups of residents.

Low-cost design

Lacaton and Vassal state that the first task of the architect is to think, and to decide whether to build or not. They see their role as extending far beyond just building, creatively engaging with the legal and regulatory aspects of each project.

Famously, they often manage to stretch budgets far beyond the norm to create spaces that, whilst not according to accepted niceties of finish and surface, are incredibly generous. For example, their social housing project in Mulhouse, France provides twice the normal area by reducing costs through a careful handling of the construction programme and by using unusual construction methods, but to achieve this the architects also had to engage with tax regulators and housing law in order that tenants were not overtaxed. Horticultural greenhouses were erected on top of a concrete frame, with users adapting the raw aesthetic in huge variety of ways, and architects enjoying this apparent loss of control with relish.

The practice have recently published a book, PLUS: Large Scale Housing Development-an Exceptional Case, on the transformation of social housing in the Parisian suburbs that demonstrates their design approach well. Here they make the case for alterations and remodelling rather than the demolition advocated by local authorities.

Paris, France
françois, April 9th, 2021