Builth Wells - National Antiques Fair of Wales 2026 May will be held from 2nd - 3rd May 2026 at Royal Welsh Showground in Builth Wells, United Kingdom. This is a major antiques event. The fair is one of the largest in the country, with up to 1,000 stands and attracting over 10,000 buyers. It features a wide range of antiques, vintage items, and collectibles, including furniture, militaria, art, vintage rugs, and more. The event is organized by International Antiques & Collectors Fairs (IACF), a company with a portfolio of well-known fairs.