Nou Mestalla is a partially built football stadium in Valencia, Spain, intended as a replacement for Valencia's current stadium, the Mestalla. The basic concrete structure of the stadium was built between August 2007 and February 2009, but work was then halted for financial reasons. Following multiple redesigns, all of which reduced the final capacity, …Nou Mestalla is a partially built football stadium in Valencia, Spain, intended as a replacement for Valencia's current stadium, the Mestalla. The basic concrete structure of the stadium was built between August 2007 and February 2009, but work was then halted for financial reasons. Following multiple redesigns, all of which reduced the final capacity, construction work resumed in January 2025.