The Irishman has joined Albion on a permanent basis this summer following a loan move from Brighton & Hove Albion before the last campaign.
But the midfielder believes that the club performed below their usual standard in the last 12 months and need to improve to compete for promotion.
Molumby will be hoping to take a more central role to the team’s midfield plans next season having played 31 times in the Championship last year for the Baggies, with 14 of those appearances coming off the bench.
The 22-year old was happy with his performances in the side, but believes the team’s overall performances didn’t match the expectations set by the club. “[Last season] was disappointing for the entire club,” said Molumby, via Birmingham Live. “We have high expectations at West Brom, the first being at a Championship club that expects to achieve big things. “Overall I thought I did decently.