It’s depend upon requirement of website , Generally for simple design it will take arround 2 to 3 days.

•  One of the most important questions people ask when it comes to building a website is . How much does it cost to build a good website?
•  The truth is, the cost of building a good website Depending on your needs entirely on your budget and goals.
•  There is no doubt in saying that website development is the most important and essential task for every entrepreneur.
•  We believe that in today’s fastest-growing world, website designing has become a most required task. Website is not only presents your business on the online platform but also helps to increase your business to reach goals .

For design you can use latest technology which includes HTML5, bootstrap , Ajax support .

Yes , before live website you can see all design task locally or any demo server which will not be public.