3d render of a house showing a new balcony

Information for the business: We are a balustrade company
Design details: We will be installing a large deck with artificial grass and a glass balustrade around 3 edges of a flat roof on a property in London. Our client has requested a 3d render of what the house will look like when we are finished. We can provide photos of the property and examples of what we are to install.
Target audience: Our Client
Ideas for the visual style: see this link - http://www.agenda21arch.com/manorhousedrive.html
Extra notes: I am looking for an overview of what the finished job will look like with various veiws, the decking will be over laid with fake grass.

I ma looking for completed work by Monday the 27th of july and my budget is £150