Custom House Quay Dublin D01 W6X0 Custom House Visitor Centre | Heritage IrelandThis architectural icon stands on the Liffey quays, which were once Ireland’s major trade route to the wider world. The architect James Gandon completed theThis architectural icon stands on the Liffey quays, which were once Ireland’s major trade route to the wider world. The architect James Gandon completed the building, a masterpiece of European neoclassicism, in 1791. Admire the decorative detail of Edward https://heritageireland.ie/places-to-visit/custom-house-visitor-centre/