The showroom more than doubled in size, to over 10,000 square feet.

A recent renovation doubled its size to 2,841 square feet.

At the start of 2010, work commenced to double the museum's floor area to 14,000 square feet.

The building more than doubles the size of the museum's exhibition space, to around 25,000 square feet.

A $2.5 million expansion in 1967 nearly doubled the store's area, to 120,000 square feet.

The museum has nearly doubled in size since last June, to 172,000 square feet.

Next year he plans to double the size of his operation to 4,300 square feet.

A design that more than doubled the total floor space to 21,000 square feet was approved.

Two years later, its capacity was doubled to 20,000 square feet.

Today the average kitchen has almost doubled, to 280 square feet, and represents nearly 12 percent of the house.