STV has reported that the workers, all members of the UNISON trade union, will take the action over the council’s job evaluation scheme, claiming they are not paid enough compared to those doing a similar job.

They are due to protest outside the Social Work office on John Street, on Tuesday March 31 at 12pm.

Ian Leech, UNISON Glasgow’s Social Work convenor, said: “These workers have been unfairly treated for years in that their jobs should have been graded the same as other frontline staff in addiction services or older people’s teams.

“They have been very patient and hoped that the matter would be addressed by the council, indeed over the years some managers have informally said that they agree with the trade union position.

“Our members care about the people who rely on the service which they provide however, they have been left with no other option.

“All they are looking for is to be treated the same as the other 400 social care staff who do a similar job.”

The workers are on Pay Grade Five and argue that others doing a similar job are on Pay Grade Six.

A spokesman for Glasgow City Council added: “It is extremely disappointing that Unison has resorted to this course of action.

“Casework staff are graded at an appropriate level as they work to arrange accommodation for individuals while detailed care assessments are undertaken by other social work staff.

“A contingency plan has been put in place and any disruption to this service for vulnerable people will be kept to a minimum.”