Great Mosque of Algiers, Algeria

Date : 2016-2018
Duration: 34 months + 24 months
Contractor: ANARGEMA (Agence Nationale de Réalisation et de Gestion de Djamaâ El Djazaïr)
Funding: Public
Developer: République Algérienne Démocratique et Populaire
Architect: KSP Jürgen Engel Architekten & Krebs und Kiefer
Construction duration: 7 years since 2012 untils December 2018
Start of operation: 2019
Delivery: December 2018

Project overview

Covering a surface area of 370,000 m², Djamaâ el Djazaïr is the third largest mosque in history, behind those of Masjid al-Haram in Mecca and Masjid al-Nabawi in Medina. It is made up of about 12 main buildings.

The prayer room, extending over a surface area of 22,000 m², is made up of 618 white octagonal columns. The 32 largest pillars are 34 m long and have a diameter of 1.62 m.

The mosque has a dome 50 m in diameter which rises to a height of 70 m. It has several ablutions rooms of an area of 4,200 m², accommodating fountains and approximately 100 taps.

The 267-m minaret, anchored to an apron 50 m deep, is divided into several functional sectors accessed by two panoramic elevators.

The mosque also has a 1,500-seat conference room. Spanning approximately 8,000 m², this cultural centre includes an exhibition hall, a library, and media library, a video library, a film library, lecture theatres, screening spaces, an IT hub and a cafeteria.


Our missions

The buildings are designed with an earthquake-resistant structure using shock absorbers and base isolators.

Egis is tasked with carrying out additional designs and supervision and with monitoring construction works:

  • the administrative and technical supervision of the project,
  • analysing the compliance of as-built drawings (27,000 technical documents),
  • technical supervision of works,
  • coordination and general planning,
  • financial and contract management,
  • operations prior to handover,
  • presence during the two-year warranty period.