Same plans here in Estonia. My friend has 5 door and I have ST version Cupra MK3, both Midnight Black. The local dealer asks about 700+€ for primed skirts, the Polish parts seems to be quite crap, a lot of works also needed (sanding, fitting, cutting, painting etc). So we also found the Horton Seat page, but the same "not shipping out the UK" problem. Maybe we can get then through acquaintance living in UK, let's hope we can manage like that. At least already painted, OEM parts (Y).