I think the model looks very good, but the lighting is a little flat. It looks as though the entire model has a general ambient light with a couple of downlights, which does not provide any kind of shadow or and warmth from sunlight.
but before you start the rendering, have a think about the camera angles and the content of the shots. my eye was drawn to a television aerial in one of them . . . is what you want your client to see?
~/archiben
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These are all airborne parallel views that do not at all resemble reality. You should consider a perspective view from a real life vantage point such as the driveway or near the entry.