So, title is a bit ambiguous, but I didnt know you could claim tax back. http://www.taxfix.co.uk/forum/articl...from-hmrc.html
National insurance rebate http://www.taxrefund.co.uk/blog/232/...moving-abroad/ Note: 'The money is not given directly however, but it can be paid into your personal pension instead of the State pension scheme'
I should add- the National insurance link is for non residents to the UK who are paying NI.