Here are some more step by steps shots and the finalised lighting. I tried using final gather but as soon as its added, the render times increase so that was not an option. I went through many little tweaks to make sure the lighting was just right, with enough bounce and I also ended up creating a light for the water to get some of that blue creeping in through the windows. All in all I think its decent, I showed it to Andy and he was happy. I created a dimly lit setting whereby the light is designed to keep the eyes focused on the child in his chair.