Costume Shop Finder Ashton under Lyne Costume Shop Listings page. This section lists as many Costume Shops we could find in Ashton under Lyne. If you are the owner of a Costume Shop in Ashton under Lyne please submit your listing using the Get Listed link at the top. These Ashton under Lyne Costume Shops offer costumes and fancy dress for adults or children in Ashton under Lyne, including theatrical and party costumes, Halloween costumes and costume accessories. Most Costume Shops listed below also offer costume accessories such as masks, wigs, make up and props in Ashton under Lyne.