La Maison Ullern Rumors & Newly Opened Restaurants Open Located at Ullern in Oslo, La Maison Ullern is a café by day and restaurant by night from Gregory Paul (Masterchef judge and former restaurant manager at Bagatelle). Soft opening with take-away from April 15th. La Maison Ullern Opening: April 15, 2021 Category: Cafe, Restaurant Address & Contact Information Holgerslystveien 22, Oslo, Norway Facebook Instagram Go to Rumors Main Page