The Labour peer alleged "serious flaws" in the LGBCE's process and claimed the changes contravene the requirements of the Local Democracy, Economic Development and ConstructionAct 2009.
The court heard Mr Pickles decided in July to revoke the regional strategies, which include house-building targets, introduced under the 2009 Local Democracy, Economic Development and ConstructionAct.
Construction Workplace Misclassification Act establishes rigid criteria for differentiating independent contractors from employees in the construction industry.