No. 1 Deansgate is the name and location of a medium-rise apartment building in central Manchester, England. It is the tallest all-steel residential building in the United Kingdom, and one of the most expensive addresses in Manchester. The building was completed in 2002, and is situated at the north end of Deansgate close to Manchester Cathedral.

Deansgate is a main road through Manchester City Centre, England. It runs roughly north–south in a near straight route through the western part of the city centre and is the longest road in the city centre at over one mile in length.