Its original capacity was set at 3,500; a smart main stand housing changing rooms, club offices and social facilities, a shallow uncovered terrace on the Wimblebury side of the ground and two identical covered terraces at either end of the ground.

Keys Park was officially opened by Sir Stanley Matthews later that year, in a ceremony that included a friendly against Wolverhampton Wanderers.

[3] In January 1997, Keys Park saw its highest attendance ever as over 3,000 people witnessed the Pitmen's 1–0 win over York City in the FA Cup Third Round.

Seating was installed at the previously terraced Hednesford End to raise the ground capacity over the 6,000 needed for a grade 'A' rating by the Football League, which was granted in 1998.

The Northern Premier League Play-Off Final between Hednesford and United of Manchester on 11 May 2013 saw a new record with a crowd of 4,412 people to watch the Pitmen win 2-1 and promotion to the Conference North.