Law- Harry Henderson, who is currently homeless, comes to you for advice

Harry Henderson, who is currently homeless, comes to you for advice. He argues that the Government is under a constitutional duty to build him a home. He argues that the Government has breached his unenumerated socio – economic right to shelter. He wants you to mount an action on his behalf. He wants to obtain a declaration that the Government has breached his constitutional rights. He also wants to obtain a mandatory order which directs the Minister for Housing, Planning and Local Government to build him a home. ” Please advise him on the prospects of success of any such action, by discussing relevant case law.