Cole believes the former Leeds prodigy can still improve whilst playing for Aston Villa.
Cole said: “I'd imagine he'll go up another couple of levels in the next few years and he'll shine bright in that England midfielder. It's great that he was given the captaincy for the last few games - it's been excellent for him.
“He is developing at a massive rate and he's got a massive part to play this next season. I think you'll see him go up another level.”
This is certainly a promising assessment, and one that should excite Villa fans heading into the coming years.
Delph, 25, has always been seen as a potential prospect, without ever truly breaking into the Premier League quality needed of him at Villa Park, but this season has seen him break that mould.
The Englishman finally started to impress at the top level of the game, winning his first international caps at the beginning of the campaign, and being named captain of Villa following Tim Sherwood’s appointment as head coach.
Despite many believing this may now be Delph playing at his peak, Cole does not see that, and is confident that he will continue to get better - starting from next season.
The midfielder will benefit from playing in Sherwood’s attacking set-up, and he is likely to develop into the all-action playmaker many expected of him upon his arrival from Leeds United in 2009.
Whilst he may not become a Premier League great, or even an England regular, Delph looks set to dominate the Villa midfield for a number of years, whilst wearing the captain’s armband.