also going the EU way there should be no cost for the visa and you virtually have a legal right to the visa (as long as its not a marriage of convenience - after 18yrs they cant refuse you on that )

bring your wife to the UK using the Surinder Singh route.

http://www.bbc.co.uk/news/uk-23029195

http://www.jcwi.org.uk/blog/2013/04/...d-family-unity