National Trust Cymru said it can now share that Penrhyn Castle, the neo-Norman castle situated on the outskirts of Bangor, Gwynedd, was a filming location for a brand-new Netflix production ‘House of Guinness’. Even within the North West, we had to move around more than a TV production usually would. "I really hope we’ve done Dublin justice.”Penrhyn Castle provided the set for Ashford Castle, the Guinness family home. Penrhyn Castle, built for the Pennant family, and finished in 1840, has many parallels with Ashford Castle, as both were built to appear older than they are for industrialists who made a fortune during the Victorian era. Ceri Williams, General Manager for Penrhyn Castle, National Trust Cymru, said: “It’s been great to host the House of Guinness production at Penrhyn Castle.