Without some dates to go from it isn't easy to identify this person. In what context have you found this address? Is it from a military record or a newspaper article? I would need to know what era to search in to identify him, though I have looked to see if there was a RT Price living in Neath in 1911 and there was, he was Richard T Price aged 21 in 1911.
Can you tell us the context.
Is it a quiz question?
Are you tracing your family tree?
Roughly what era? There was a Lieutenant-Colonel Price in the 17th century.