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Billy billy
★ 3.0(1 review)Restaurant
moderncasualrooftop
About the Vibe
Billy Billy is your go-to spot for a relaxed meal with a view of Paris La Défense Arena. Located in a modern setting, this brasserie offers a covered, heated rooftop in winter and a ground-floor terrace—perfect for afterworks or casual dinners. The kitchen focuses on fresh, seasonal ingredients with Mediterranean influences, and the happy hour from 4 to 9 PM is a solid reason to drop by after work.
Known For
- •heated rooftop terrace
- •Mediterranean-inspired cuisine
- •happy hour (4-9 PM)
- •fresh seasonal products
Best For
afterwork drinkscasual dinnersgroup gatherings
1 review
City InsidersEditorialApril 7, 2026
Solid brasserie for afterwork, nothing more
Billy Billy sits in a practical spot near La Défense Arena, offering a modern brasserie experience that feels more functional than flashy. The rooftop is a highlight—covered and heated in winter, it's a decent place to grab a cocktail or pizza while people-watching. The food leans into fresh, seasonal Mediterranean flavors, and the happy hour window (4–9 PM) is genuinely useful for unwinding after work. It's not a destination for gourmet dining, but it does the job well for a no-fuss meal or drink with colleagues or friends.
What holds it back is the average food quality and the fact that it feels a bit generic for Nanterre. The service is friendly but not particularly memorable, and the menu lacks standout dishes that would make you return specifically for the food. Still, if you're in the area and need a reliable place to eat or drink without breaking the bank, it's a solid option. Just don't expect to be wowed.