Make sure you own the domainame (
www.yourname.co.uk)
Make sure you own the website some of these cheap companies charge just a monthly fee but ifbyou stop you lose the site this is a definite No No as you lost everything that way.
Depending on your budget would depend on how far you want to go around the £500 mark would get you a small 5page site with seo (search engine optimisation ) included
These prices will go up depending on what you need to achieve online.
I would avoid cheap websites as they are like placing a needle in a haystack (very hard to find)
I have just noticed I'm in the section but hope this helps
Most if all own the domain name and site that way if it does go wrong you can change it without losing it all