All Residential Care and Nursing Care Homes run by private and voluntary organisations must be registered with the Care Quality Commission|. Homes are regularly inspected to ensure they meet appropriate standards. The proprietor of a home should let you read the inspection report if you ask.
You can find lists of local care homes and other care schemes on the Social Care and Wellbeing Hub:
You can filter each of these lists to view care homes and care schemes that are just for a specific group.