Transfer by bus: there is a shuttle bus (12 or 21) that goes straight from the airport to city the center. Get off at Schuman (approx. 30minutes). From the Schuman stop go to the Schuman Square. We are located at Number 6, 6th floor. A single ticket costs 4,5 euros (6€ if you buy it on the bus). This is by far the best option.
Transfer by taxi: takes about 20 minutes and costs around 40 euros.
Transfer by train: take the direct train from the airport to Schuman train station. Single ticket costs around 10 euros.
From train station
From Central Station (gare centrale): take metro 1 direction Stockel or metro 5 direction Herman-Debroux or Delta. Get off at Schuman (4 stops). From there walk to the Schuman Square. N° 6 is on your right side.
From Gare du Midi (south station): take metro 2 or 6 direction “Simonis (Elisabeth) via Rogier”. Get off at Arts-Loi. From there, reach the platform in order to catch metro 1 direction Stockel or metro 5 direction Herman-Debroux or Delta. Get off at Schuman (2 stops). From there walk to the Schuman Square. N°6 is on your right side.