Destash: To remove (a yarn, fabric, equipment, etc.) from one's collection.
Textiles includes fabrics for sewing projects as well as old curtains, blankets, towels, tablecloths, etc
Makers and sewers are happy to take surplus fabric and yarn either for free or for a reasonable price. Offer through the usual apps or and communities online.
Large pieces of fabric may be donated to Restore for upcycling into new items.
Fabrics that are clean can also be send to textile “recyclers”. Check with the organisations below for what they will take.