How old is Stormzy? This image appears in the gallery:Stormzy: 27 Facts You Need To Know About The BRITs Nominated Rapper 3. How old is Stormzy? Stormzy is 29 years old and he was born on 26th July 1993. Picture: Instagram 26 images See the full gallery: Stormzy: 27 Facts You Need To Know About The BRITs Nominated Rapper