Asked whether he thought Barry was undervalued at £10m, the Villa manager said: "Absolutely, without question. This lad is playing for England. I have to say that the way the whole thing was mentioned, it was hardly worth answering. I will be speaking to Randy and we will have real proper talks about it next week.
"He thinks a lot of Gareth, although the last thing you want to do is to be running around giving people guarantees.
"Gareth has got two years left of his contract to run and he has not shown to me that he is unhappy at the football club.
"The disappointing thing for me is that this whole thing is being conducted in the open.
"This has been conducted outside the way that we would normally be conducting business."