Ah 30! We’re not just celebrating another year but marking the start of a new era. Your 20s were all about figuring things out, making mistakes, and maybe surviving a few questionable nights out. But 30? That’s confidence, that’s style, that’s knowing exactly what kind of party you want and Southbank is where it all comes together. Looking for dinner with your closest friends? Book a private dining room at a steakhouse, pop a champagne, and toast to the next decade. Want something more relaxed? Gather your crew for an alfresco feast at a trendy garden terrace, where the views call for pictures. So, where’s the party? Browse and book the best 30th birthday party venues in South Bank today.