Fish and Chips
Warm Beer
Cricket
That's about it.
The UK is the world's 10th biggest exporter and ranks similarly for manufacturing. However a lot of the exports are services and they're likely to get ravaged by the B word, if or when that ever happens that is.
There's now talk of universal basic income. This means that very soon we will be a leading exporter of poorly made tractors, sour cabbage and Victory Gin.