A great way to target the UK is to go into your Google Webmaster account, if you have one, and then set your targeted region to the UK. Now your website will be targeting the UK only and will generally show up for the UK population only. This can substantially increase your traffic as well according to Google. Hope this helps you out!
One strategy that will definitely work is to run PPC campaign with you geographical settings set for the UK only, then you'll get immediate UK traffic
Submit your site to uk article sites, uk directory , uk forums and blogs, uk classifieds focus on local SEO.
Try to creat backlink from U.K based website...Go for blog pramotion, for that you can put your blog link in various blog directories.You can also do bookmarking of your blog in high PR website.