A wood deck should be a transition between your house and your landscaped yard. If over done, a deck can overwhelm the character of the house as well as the landscape. A highly decorative deck which does not relate to the architecture of the house or the character of the surrounding landscape will look like an 
isolated growth thrown against the house. The whole composition of a deck, including size and layout, should blend in with the house as well as the landscape
Wood
Decks