Construction site with simple cost estimator at front page

Home construction website. about 3-4 pages At front page I want - cost estimator in the middle select height , length , width select type - 2 simple photos select side covering - 3 small photos and short description select roof covering - 4 small photos and short description (I give you the photos) doors : number : type windows :number type (if could add door or window insted of number would be better) <estimate cost button> I will give you the estimate algorithm. it's simple I want it to be in php cause I will want to edit it later I want the graphics to be modern, professional and relative to steel buildings even if they are not 100% unique. I also want it seo friendly. Wordpress is also fine. I would like to see other jobs you have done.