Happy House in Differdange

Photo: Happy House, via official website (happyhouse.lu).

Happy House is a Chinese and Japanese restaurant in Differdange. Visit Luxembourg lists it as Asian food and sushi; the official site publishes a large à-la-carte range (pork, chicken, beef, duck, seafood, noodles, rice, vegetarian plates) plus sushi rolls, nigiri and house boxes.

Practical contact facts align across the official contact page and Visit Luxembourg / Visit Minett: phone +352 26 58 15 86 (also written 26581586 on the homepage), email info@happyhouse.lu. Opening hours on the official homepage (September 2026): Monday closed; Saturday closed at lunch. For the dining room the house states Tuesday–Sunday 11:45–14:00 and 18:00–22:30, with Saturday evening 18:00–23:00. Delivery windows are listed separately (Tue–Sun 12:00–14:00 & 18:30–22:00; Saturday 18:30–22:30). Visit Luxembourg shows the same closed Monday, no Saturday lunch, and Tue–Sun lunch/dinner pattern, with dinner listed from 18:30 — a small start-time difference versus the house salle hours. Confirm by phone before you go.

The official menu emphasises classic Chinese stir-fries and roasted meats (including Cha Siu and Peking-style duck) alongside Japanese sushi and seasonal novelties. Weekend sushi orders are asked 2 hours ahead and Chinese dishes 1 hour ahead when staffing is reduced. DiscoverLux does not invent dish rankings or personal star ratings — only what the published sources state.

Restaurant information

Services

History

Happy House markets itself as a Differdange address for Chinese plates and sushi, with year-round dining room service and home delivery documented on the house site and tourism listings.

Note on hours: Older directory scrapes sometimes showed Mon–Sun all-day windows; the September 2026 official homepage and Visit Luxembourg both contradict that (Monday closed, Saturday lunch closed). Prefer the house site and phone.

Last checked in September 2026 using official and public sources.