The Palace of Navarra, the institutional headquarters of the Government of Navarra, was constructed between 1830 and 1851 by José de Nagusia. Initially, it was part of a larger complex that included the Teatro Principal (now the Teatro Gayarre) and the former Crédito Navarro banking institution, which faced the central Plaza del Castillo square. In 1887, the Archive of Navarra building, designed by Florencio Ansoleaga, was added to the southern side.

Following the urban planning of Pamplona’s Second Expansion, the Teatro Gayarre was relocated to Carlos III Avenue. At that time, the project to reform and extend the Palace was commissioned to brothers José and Javier Yárnoz Larrosa in 1931. Their design was presented in 1932, and the work was completed in 1935.

The renovation preserved much of Nagusia’s original structure, maintaining the neoclassical style of the building’s facades while adding a new one facing Avenida Carlos III. The main floor, known as Noble floor, retained its most emblematic rooms, while the second floor was repurposed for administrative use.

The second floor featured a unified design that combined a sober, functional style with elements of Art Deco and Rationalism, styles the Yárnoz brothers had already integrated into some of their other works. The flooring consisted of hexagonal mosaic tiles with floral motifs in the galleries, which were later uncovered beneath subsequent coverings during the drafting of the rehabilitation project. In the executive offices, the parquet flooring was laid in a herringbone pattern. The clean lines of the moldings and cornices accentuated the spaces, while the carpentry and baseboard finishes maintained a refined simplicity.

Over the years, the second floor underwent minor interventions that, while not significantly altering the spaces, gradually diminished its original character and coherence.

The current rehabilitation project addresses the needs of the promoter, focusing on enhancing energy efficiency, ensuring compliance with current regulations, upgrading the air conditioning and ventilation systems, and reorganizing the layout to accommodate modern functional requirements, including more open and accessible workspaces.

Furthermore, the renovation project honors and reinterprets the distinctive character of the second floor envisioned by the Yárnoz Larrosa brothers in 1935. The hexagonal mosaics and floral patterns have returned to the galleries, while the oak parquet in a herringbone pattern now extends through the open workspaces. This reimagining subverts traditional hierarchical organizational logic, reflecting and aspiring toward a more inclusive and horizontal model of administration.