Ah !!! caught you out there, your English is not as good as I thought
I will try to explain .....
In the North we call Dinner (evening meal) "Tea"
In the North we call Lunch (midday meal) "Dinner*
In The North we call Tea (the drink) a "Brew"
In the North we call the Fish & Chip shop the "Chippy"
So "Chippy tea on the prom" means .....
An evening meal of fish and chips on the Promenade (sea front)
