INLPTA NLP Diploma 4 day NLP Diploma course. Are you ready to take your interpersonal skills to a new level, unlock your full creativity and gain more satisfaction from your life? Our INLPTA Certificated Diploma lasts 4 days and covers the basics of NLP. It is also the first 4 days of the Practitioner programme, so you can take it to the next level and carry on to the full Practitioner. Cost: £450, includes, refreshments, course manual and certification through INLPTA.,