We’ve had notice of a CMBS downgrade, here are the defaulted SLABS…. Housing downgrades hit UK November 3, 2021 10:12 am by IWB by laflammaster Caption: SLABS www.fitchratings.com/research… Caption: Details of SLABS www.fitchratings.com/research… [Contagion] Housing downgrades hit UK today. Origin receives financial support through grants from Homes England (HE) and the Greater London Authority (GLA).