I'm going to disagree with the concensus here Paul, I love this shot and don't find it too flat. Yes it could have the contrast increased but I honestly don't feel it needs it. The slight sofntess in the lighting complements the whole image so doesn't really need a lot of contrast. It's a cracking composition and the colour is excellent. I know others might disagree but I'll say what I honestly think: leave it as it is and enjoy it
Cheers,
Rob