I'd say you just need to bring MI and Bvlgari pH Soir. MI would be a perfect day scent and pH Soir would be perfect for evenings. If you need to add a clubbing scent, then you can maybe add L'Instant. Better yet, pick up Dior Homme Intense when you're in Europe!
Edit: Ooops, just realized that you're British, so you can get Dior Homme Intense at home too. Scrap my last sentence :P