Residents in odd numbered properties of Wright Street have now gone back to their homes.
People from Private Street and even numbered properties in Wright Street are being asked to get ready for another night away from their homes.
Demolition and forensic work may continue to disrupt utility supplies to these properties.
Residents from affected properties should report to the Information Centre at Charles Street Methodist Church or contact the helpline on 0300 500 80 80.
National Grid will need to get into the properties to restore supply and carry out testing.