Odense Stadium grandstands that included a small number of standing areas in the corners. The last couple of renovations were not finished until 1998. It was considered among the most modern stadiums in Denmark after the renovation in the 1990s. In 2004, under-soil heating was installed on the football field together with other minor improvements, financed by Odense Municipality through the sale of condos and building-rights to Odense Boldklub A/S, at a construction cost of DKK 10 million. The following year, reconstruction of the VIP-facilities/sponsor lounge including expansion of the main grandstand were made by Odense Boldklub A/S, so that Odense stadium
Odense Stadium plans were finally approved by the then-mayor of Odense, Hans Christian Petersen (Conservative People's Party), and Odense Idrætspark was founded on 27 December 1927, with the expectation that the municipality built the stadium, and the local sports clubs would run it. The building site for the city's first stadium was placed at Kildemosen, in an area located in the western section of the workshops for Sydfyenske Railways (SFJ) and 'Sukkerkogeriet Odense'. On 16 August 1931, the first edition of Odense Idrætspark, was inaugurated with an association football match marked by pouring rain – on the exhibition pitch without any grandstands