Wool House is a grade II listed Victorian wool warehouse at 74 Backchurch Lane, in the London Borough of Tower Hamlets. It was originally five storeys tall, and spanned a total of 137,455 square feet (12,770.0 m²). An additional floor was constructed on the roof in the early 2000s, creating an additional 12,000 square feet (1,100 m²) of floorspace.