Located in the district of Chamberí, this Neo-Gothic church was built between 1886 and 1890 under the direction of architects Eugenio Jiménez Corera and Carlos Velasco, at the request of the Royal Congregation of San Fermín de los Navarros.

The church is laid out in the form of a Latin cross and transept, with a star rib vault in the high central nave, accompanied by two lower lateral naves on the sides of the transept. They all have large gates that form small entrance atriums. The gothic style was adopted in the interior of the church. The walls are whitewashed imitating stone, with details picked out in gold ink lines. The stain glass windows, set within horseshoe arches, represent the coat of arms of Navarre, among other representations. 

The outside of the church is in the Neo-Mudejar style of Toledo, with rapidly-built and low-cost brick architecture that became very popular in Madrid as the city expanded, and indeed the Neo-Mudejar style could even be considered a typical style of Madrid.