Homes for sale Ascot Columbia SC in Irmo SC. View all MLS Listings in Ascot neighborhood Irmo South Carolina. Search homes by section, size, location, street, price, age, and more. Ascot Irmo SC houses and properties for sale. Also known as Ascot Estates, this gorgeous subdivision is comprised of mostly large palatial brick custom-built homes. View all MLS listings in all the sections of the neighborhood of Ascot: Ascot Ridge, Ascot Woods, Ascot Downs, Ascot Glen, Courtyards, and Ascot Place.