The drawings arrive at the Colegio Oficial de Arquitectos de Madrid identified only by a word. Not a studio name, not a logo, not the practice’s carefully built portfolio — just a lema, an alphanumeric codeword chosen at registration, printed in the corner of each A1 panel. “Gardens for an acrobat” was one such word, attached to a winning scheme for 166 public-rental flats on the old Mahou-Calderón brewery and stadium site in Arganzuela. The jury that picked it did not, at the moment of choosing, know whose hand had drawn it. That is the point. In Spain, a great deal of the housing the country actually lives in is designed by people the jury cannot see.
This is the concurso de proyectos, the anonymous architecture competition, and it is one of the quietest, most consequential features of Spanish public life. It is also why a generation of young Spanish studios can win a major public building before they have a public name — and why the people who design the country’s social housing so rarely become household ones.
The rule that hides the architect
The mechanism is unglamorous and exact. Under Spain’s public-procurement law, the concurso de proyectos — design competition — is the procedure a public body uses to obtain a plan or project, and since the 2022 Ley de Calidad de la Arquitectura (the “Architecture Quality Act”) its use is effectively mandatory for projects of significant complexity. The jury must be independent and qualified. The submissions must respect anonymity: the graphic and written material is identified by the lema alone and carries no reference to the author or the school they trained at. Names live in a sealed envelope — the plica — opened only once the ranking is fixed.
What this removes is reputation. A jury cannot reward a famous studio for being famous, because at the moment of judging it does not know which one is which. A thirty-two-year-old practice working from a converted flat submits the same anonymous panels as a firm with three decades of monographs. The drawing has to win on its own terms. For young architecture in Spain, this is close to the founding condition of a career.
Who is actually building Madrid’s housing
The commissioning side of this is not abstract. In the city of Madrid, public rental housing is delivered through the Empresa Municipal de la Vivienda y Suelo — the EMVS, the municipal housing and land company — which by its own and the national housing ministry’s account is now the largest public-housing developer in Spain, with a portfolio of well over nine thousand dwellings and, at the end of 2024, more than a thousand new affordable-rental flats completed in a single year across ten developments. Behind that headline sits a steady drumbeat of architecture competitions: the EMVS ran open concursos de proyectos for the Mahou-Calderón flats and for more than 280 homes in Los Berrocales, in the eastern district of Vicálvaro, each judged by jury, each open to any qualified architect.
Above the city sits the region. The Comunidad de Madrid runs Plan VIVE, a public-private programme that hands developers free public land to build and manage regulated-rent housing for fifty years, after which the buildings revert to public ownership. The stated ambition is twenty-five thousand affordable rental homes; the first tranches, several thousand strong, are already let or under way. The two systems — municipal EMVS, regional Plan VIVE — are run by political rivals and argue about almost everything, but they share a procurement culture in which the design of the building is settled, more often than not, by anonymous competition.
The graphic and written material is identified by the codeword alone, and contains no reference to the name of the author nor of the school.
Standard terms, COAM design-competition rules
The byline that never appears
There is a particular kind of invisibility here, and it is worth being precise about it. The anonymity of the competition itself is temporary: the plica is opened, the winner is published, the COAM lists the result. But the deeper invisibility is structural and permanent. Social housing does not produce celebrity the way a museum or an opera house does. A young studio can win, build four hundred flats that a thousand people will live in for decades, and never appear on a byline that the public reads. The tenants know the building. They do not, as a rule, know the architect.
This is the honest version of the romantic frame — the idea of a generation under thirty-five designing the homes the country lives in without ever surfacing as names. The frame is evocative rather than literal: there is no register of every young architect behind every public tender, and it would be invention to claim one. But the underlying conditions are real. The anonymous concurso genuinely lets the unknown win. Public housing genuinely confers little fame. Put the two together and you get a profession in which a great deal of the most-used architecture in Spain is made by people whose names never travel beyond the trade.
Why the buildings are so good anyway
The strange and cheering result is that Spanish social housing is, by international consensus, unusually well designed. The evidence is not anecdotal. The European Union Prize for Contemporary Architecture — the EU Mies van der Rohe Award, the continent’s most-watched architecture prize — has repeatedly shortlisted and rewarded Spanish public housing. The 2022 cycle put a Peris+Toral scheme of eighty-five social flats in Cornellà, near Barcelona, among its finalists; the same edition gave its Emerging Architecture prize to La Borda, a Barcelona cooperative-housing block by the young practice Lacol. The 2024 and 2026 shortlists again carried Spanish social housing, from blocks in Gavà by Harquitectes to a school in Madrid by Andrés Jaque’s Office for Political Innovation.
The competition culture is the usual explanation, and it is at least partly right. When a public client is legally pushed to run an anonymous, jury-judged contest rather than simply hiring the cheapest bidder, design quality becomes a thing that can win contracts. The COAM reinforces this with its own machinery — the Premios COAM, including an Emerging award reserved for architects under thirty-five — so that the buildings, even unsigned to the public, are seen and judged by the profession. The critics’ standard caveat applies too: a competition system can reward the seductive panel over the buildable one, the render over the residence. But the floor it sets is high.
What the anonymity is really protecting
It is tempting to read all of this as a story about meritocracy, and it partly is. But the anonymity protects something larger than the careers of young architects. It protects the public client. A municipal company spending public money on housing for people who cannot afford the market is acutely exposed to the suspicion that contracts go to friends. The sealed envelope is a defence against that suspicion as much as a gift to the unknown. When the EMVS can say that a jury chose a scheme without knowing whose it was, it is buying legitimacy for the whole enterprise of public housing — in a country where, as elsewhere in Europe, housing has become the sharpest political wound of the decade.
The trade-off is the one the seed of this story gestures at. The price of a clean, anonymous system is a profession without a public face. The young studios that win these contests carry the design intelligence of the country’s most-lived-in buildings, and almost none of its recognition. They are, in the most literal sense, the architects nobody is meant to see at the moment of the decision — and, by the nature of social housing, the ones the public rarely sees afterwards either.
The lesson the rest of the decade might borrow
For the wider European urban decade, the Spanish arrangement offers a specific, transferable idea, and it is not a slogan. It is a procurement rule. Most European cities buy public buildings the way they buy office supplies — lowest compliant bid, known suppliers, no contest of ideas. Spain, by law and by long habit, buys a meaningful share of its public architecture through an anonymous contest of drawings judged by an independent jury. The result is a country whose social housing wins the continent’s top prizes, designed disproportionately by people at the start of their careers.
None of this makes the housing crisis smaller; twenty-five thousand promised homes is a number against a need an order of magnitude larger, and the regional and municipal programmes still argue past each other. But it answers a narrower question well. If a city wants its public buildings to be good, and wants to be able to prove its contracts were clean, the sealed envelope and the codeword turn out to do both at once. The architect stays invisible. The building, for once, does not.
Sources: Empresa Municipal de la Vivienda y Suelo de Madrid (EMVS); Colegio Oficial de Arquitectos de Madrid (COAM), Concursos COAM and competition bases for the EMVS Mahou-Calderón and Los Berrocales developments; Comunidad de Madrid, Plan VIVE; Ley 9/2022, de 14 de junio, de Calidad de la Arquitectura, and the Ley de Contratos del Sector Público (arts. 183–187, concurso de proyectos); Observatorio de Vivienda y Suelo, Ministerio de Vivienda y Agenda Urbana; EU Prize for Contemporary Architecture – Mies van der Rohe Award (Fundació Mies van der Rohe), shortlists and winners 2022–2026.
