Captained by Santiago Soler (who had experience having played for Atlético Madrid) the club won its first University championship that same season.

[2] Arquitectura won its first División de Honor championship (the top division of Spanish rugby) in 1974.

During successive years in the decade, Arquitectura also played French Aviron Bayonnais and Argentine CUBA, Newman and Buenos Aires CRC, among other teams.

[2] The 1970s and 1980s were successful decades for the club, during those years Arquitectura won 6 Copa del Rey and 7 División de Honor championships, all of them between 1974 and 1988.

In the 1990s Arquitectura won two Copa Ibérica trophies[4] and two División de Honor titles, becoming the most winning rugby team of Spain with 17 championships to date.