A number of patrons at Sydney’s new $800 million stadium have been offered refunds over faulty seats during its opening weekend of blockbuster sporting fixtures.

Reports of disgruntled patrons followed the sold-out NRL grudge match between the Sydney Roosters and the South Sydney Rabbitohs last Friday and the rugby international between South Africa and the Wallabies the next day at the 42,000-seat Sydney Football Stadium at Moore Park.

Allianz Stadium in Moore Park, Sydney, was officially opened over the weekend. Credit: BIANCA DE MARCHI/AAPIMAGE

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Venues NSW confirmed the situation following reports patrons had been forced to “hold up seats with their feet” at the $828 million venue.

One punter who attended the rugby union international told ABC News that the seats “were tilting forward from the moment we got there, and it progressively got worse as the game went on, and we were literally holding up the seats with our feet, almost like doing a wall sit for the first half”.

“I was getting a sore bottom and quads from holding the seat up. The row in front of us was also broken,” he told ABC.

There was also video circulating on social media of a worker adjusting seating with a drill during the Friday night game.

The poster commented: “Someone forgot to install the seats in properly.”

A Venues NSW spokesperson told 7NEWS it had offered to compensate affected patrons.

“A small number of seats were not affixed correctly. We relocated patrons where possible on the night and have also offered refunds or tickets to future events,” the spokesperson said.

It is understood the issues have been rectified in the lead-up to this weekend’s NRL rematch between Souths and Roosters on Sunday.

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