The atlas can be viewed here:
https://shapeatlas.net/dementia/#6/52.955/-2.153/l-p65
According to the Guardian, this is just the start of an exercise that should give a lot of information about how different areas perform in their approach to dementia:
https://www.theguardian.com/society/2016/aug/16/new-care-atlas-reveals-disparity-in-dementia-care-across-uk
EDIT: The previous link to the Atlas was out-of-date.
EDIT: The previous link to the Atlas was out-of-date.