The opening credit says that Kilburn is "populated predominantly by the Irish". In the 2001 Census, the Kilburn ward of Camden Council was only 8% Irish, and the Kilburn ward of Brent Council was only 9% Irish.
The road sign used for the title slide shows the postcode as NW7. The postcode for Kilburn is actually NW6. The NW7 area is around Mill Hill, which does not border Kilburn.