How much does it cost to play warhammer online

There is a tiered cost structure for subscriptions, after your first months/couple of weeks free with the game when you purchase it, prices in GBP

one month £8.99 GBP

three months £25.17 GBP (equivalent to 8.39 GBP per month)

six months £46.14 GBP (equivalent to 7.69 GBP per month)
(prices from my Account page, correct at time of posting, they may vary depending upon location and payment method)

see : http://faq.war-europe.com/en/questions/70/Will+WAR+have+a+monthly+subscription+fee%3F
for more information