Yes, same here in a way. My parents had very flat RP accents, and never used local accent or words. So I worked hard at acquiring 'street speak' to fit in with the local kids. But being able to switch from one to the other, has been very useful in many ways.
Advice needed re possible extension to house
"Old fashioned" expressions that young people have never heard.
).
I was the other side of the Pennines!