Eponymously named after the oldest and longest road in Britain, Watling Street Beer is a brewery near Watford craftng fine ales into cask and can. The venue also features a rustic bar and caters to sports fans with televised events and regular comedy nights. Brewery tours provide an opportunity to see the beer brewing process and taste the end product.is a brewery crafting ales in casks. The venue also features bar facilities and caters to sports fans with televised events. Brewery tours provide an opportunity to see the beer brewing process and taste the end product.