I can't really judge the time factor, because of the lack of information. I am really good with HTML & HTML5, CSS, PHP and WP. I have been designing websites for the past 7 years. I use responsive design for all of my websites, which ensures the website will look great on any size screen: phone, tablet or desktop. Most of the websites I have done design for recently has been on WP, so I am rather familiar with designing for WP.
I realize I'm a risk, because I am new to this site, but I do quality work and you won't be disappointed!