The Torres de Colón are an office complex at 31 Calle de Génova on Madrid's Plaza de Colón, in the Chamberí district. Antonio Lamela designed the twin towers, which were built between 1968 and 1976 by the developer Osinalde, SA, with Huarte as the main contractor. They have a suspended structure, which was erected from the top down. They were first planned as residences and then converted to offices.
A renovation in the 1990s joined the towers with a plug-shaped crown, nicknamed "El Enchufe." Mutua Madrileña, the owner, commissioned a renovation by Luis Vidal from 2020 to 2024, which replaced that crown with a structure of four stories.
Since April 2025 the law firm Garrigues has leased the whole complex for 12 years.

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