From Pest
Take bus no. 8E, 110 or 112 to the Sánc utca stop, then walk around the edge of the park on Sánc Street and Orom Street, and up on Antal Street to reach the building at the top on your right.

From Buda
Móricz Zsigmond Körtér: Take bus no. 27 to the Búsuló Juhász (Citadella) stop and walk along Bérc utca.