The Blues have made an excellent start to the season, but their manager expects more.
The Blues sit sixth in the Championship currently, but find themselves as close to the bottom half of the table as they do the side directly above them. And Rowett explained what they need to do if they wish close the gap on Burnley in fifth (via the Birmingham Mail).
"The biggest thing with the teams above us is they don't concede many goals," he said.
"Up until Friday night Hull had only conceded something like seven or eight goals which I think is an absolutely amazing statistic.
"What’s the first thing Brighton do? Not concede many goals.
"That’s something that we have done really, really well but something we have got to do just a little bit better," he added.
While the Midlands outfit have been difficult to beat at times this season, Rowett is correct that the back four needs to sharpen up if they wish to be considered as serious contenders for promotion to the Premier League.
Three sides currently situated in the bottom half of the table have managed to concede on fewer occasions than Birmingham, while the likes of Hull and Derby have only had to pick the ball out of their net 11 times, which is nine less than the Blues.
The club will be presented with an opportunity to show whether they have listened to Rowett's assessment in their next game, as they come up against second-placed Middlesbrough, who have been ruthless in front of goal so far this season.