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Caleido (agosto 2018).JPG
August 2018
Etymologyκαλός (kalós), beautiful, and εἶδος (éidos), image
General information
StatusUnder construction
AddressPaseo de la Castellana, 259-E
Town or cityMadrid
Construction startedApril 2017
Estimated completion2020
Cost240 million €
Architectural181 metres (593.8 ft)
Technical details
Floor count36
Floor area70 000 m²
Grounds33 325 m²
Design and construction
Architecture firmFenwick Iribarren
Serrano-Suñer Arquitectura
Official website

Caleido is an 181-metre (594 ft) tall, 36-story skyscraper under construction in Madrid.[2] It is popularly named Quinta Torre(Fifth Tower) since it stands close to the other four skyscrapers of the Cuatro Torres Business Area (CTBA) complex in paseo de la Castellana. In March 2016 it was revealed that the Instituto de Empresa (IE) will be the main tenant.[3] Its construction started in April 2017[4] and it is expected to be finished at the end of 2020.[2]

It occupies the former site of the Centro Internacional de Convenciones de la Ciudad de Madrid. When finished it will be the 5th tallest building in Madrid and 7th tallest in Spain.

The building was designed by architecture firms Fenwick Iribarren and Serrano-Suñer Arquitectura and the main contractor is OHL Desarrollos.[3]


  1. ^ "Caleido". CTBUH Skyscraper Center.
  2. ^ a b Serrano, Felipe (9 January 2017). "Caleido: así será la quinta torre de la Castellana". Cadena Ser (in Spanish). Retrieved 9 January 2017.
  3. ^ a b Domingo, Marta R. (29 March 2016). "Así será la quinta torre que albergará el Instituto de Empresa en 2019". (in Spanish). Retrieved 21 June 2016.
  4. ^ Pareja, C. (14 May 2017). "Torre Caleido: las obras secretas del quinto rascacielos de La Castellana". EjePrime (in Spanish). Retrieved 23 May 2017.