Please see:
http://www.caa.co.uk/docs/620/c-May2011v3.pdf The latest version of the
European Legislation - the Expected Effects on the Licensing of Pilots in the UK document.
http://www.caa.co.uk/docs/620/d-FAQM...paper%20v3.pdf Frequently Asked Questions concerning the new European Rules for pilot licensing.
It will be possible to add a Night Rating to an EASA part-FCL LAPL(A), provided that your colour perception is deemed acceptable (and you do the relevant training).