This is the view of Dementia UK, which claims there is still a wide variation in diagnosis of the condition across the country - despite the fact that early detection has proved so important.
A recent study by the UK Medical Research Council found that survival rates are much higher for people who are diagnosed with dementia through early test screening, compared to those who find out later from their GP.
Ian Weatherhead, lead nurse for Admiral Nursing Direct at Dementia UK, said that it is important to diagnose early as it can explain concerns and changes in behaviours.
"Formal diagnosis can also enable people to access appropriate specialist services where available, [such as] admiral nurses [and] dementia advisors," he said.
He went on to say that dementia diagnosis can be difficult to confirm as many of the early symptoms can be put down to the normal ageing process.
Read more about Barchester's dementia care homes.