Welcome to your local ALDI supermarket in Llandudno - Which? Cheapest Supermarket four years running! We're on Unit Ad Mostyn Champneys Retail Park and are open 7 days a week, including public holidays. Our multi-award winning range delivers everything you need from fresh British produce, to delectable wines and spirits, gift worthy bouquets, nappies and not to mention our famous Specialbuys.