Hi,
I understand you have a template you have seen and would like to be developed for you, not a problem, i am also assuming you have all you materials like High quality images , logo , and as you said you have mapped out your navigation. Perfect!
If all of these is available,i am assuring you your job would be complete within a week! Please dont hesitate to contact me for further discussions, i am quite free for your job till next week!
Cheers!