The union said workers' rights are undermined by the use of temporary and agency workers who are being employed on lesser terms and conditions. 
 
Amicus said it will take its fight to the House of Commons, as it demands stronger employment protection for workers as well as a stop to the exploitation of migrant workers in the UK.
 
The union said: "Hundreds of construction workers will descend on London on Wednesday 28th March to fight for stronger employment protection at work and the guarantee that National Agreements for Construction will be enforced on all major infrastructure projects."
 
Amicus general secretary, Derek Simpson, said: "We are calling on all construction workers to get involved in this national rally so we can send a powerful message to the government that we will not tolerate the exploitation of cheap labour and rogue employers who attack the terms and conditions of our members.
 
"Without the protection of our National Agreements, workers will continue to be exploited on building sites. We need to protect our national agreements and it is time the government set the standards for all workers in the construction industry."