The Green House (Maltese: Id-Dar il-Ħadra) was a late 19th-century vernacular townhouse in Sliema, Malta. The historic residence was an icon in the area, situated at the end of St Mary Street of which name of street derives from the niche on the façade of the building. The façade was notably characterized by its dark green colour which had made it a noticeable landmark. The niche of the Assumption of Our Lady, dated to 1875, is listed on the National Inventory of the Cultural Property of the Maltese Islands (NICPMI).