He began 2007–08 as third-choice centre back, but an injury to Dean Beckwith gave McCombe his chance. He turned in a number of impressive performances, preserving Hereford's unbeaten record and scoring his first professional goal from a Kris Taylor cross in a 2–0 FA Cup victory against Hartlepool United. McCombe made 27 league appearances as Hereford gained promotion from League Two, but was dropped for the run-in, in favour of Karl Broadhurst.
In 2007-08, McCombe began as a backup defender for Hereford, but an injury to Beckwith led to him getting his chance. He performed well, helping them stay undefeated and scoring his first professional goal in a FA Cup match against Hartlepool United.  McCombe made 27 league appearances as Hereford gained promotion from League Two, but was then dropped for the final games of the season in favor of Broadhurst.