Businesses on the Cregagh Road say they are losing hundreds of pounds everyday due to ongoing roadworks "causing chaos".
NI Water has been carrying out works in the East Belfast district for around three months as part of a scheme to connect newly-built apartments to the mains water supply.
Taking place for six weeks before the Christmas period and six weeks after it, businesses said that it has had a huge impact on them as customers are "avoiding the area" due to the "chaos" that has been created.