If you think of the original Mile Cross Estate as a triangle with the Southern point being where the Aylsham and Drayton Roads head off in separate directions towards their namesakes, the other two points of the estate triangle sit at either end of the aptly-named Boundary Road as the two roads leave the city and head off out into Norfolk.
Here the City and County of Norwich becomes (or became) the County of Norfolk.
County of Norwich? Yep, Norwich was still technically a County, even as recently as 1974. Back in 1404 the City of Norwich was made into a seperate County (or a County Corporate) and it became independent from its host County of Norfolk. Like a lot of the rapidly-growing towns and Cities, Norwich was deemed important enough to become independent from its county, which (amongst other things) gave it a few extra privileges with regards to self-government that a City wouldn’t normally recieve. Norwich was rapidly becoming England’s 2nd most important City only being out-ranked by London. In interesting point to add here is that the City of Norwich – inside the walls – was actually larger than the City of London.
The City (now County) of Norwich had its own Lord-Lieutenant, appointed by the Crown who was responsible for controlling the Norwich militia up until the right to call on able-bodied men to fight was revoked only as recently as 1921. Norwich still has a Lord Lieutenant, appointed by the Queen as her representative for the county but this role (like that of the Sherriff) only exists in a ceremonial capacity. The County of Norwich was allowed to appoint itself two sheriffs for over 400 years, however this was reduced to just one after the Municipal Corporations act of 1835 and even then only in a ceremonial capacity.
The County’s current Lord-Lieutenant is a Richard Jewson and the city’s current Sherriff is a David Walker and Norwich remained a County (in the ceremonial sense) right up until 1974 when it was taken back under the jurisdiction of the County of Norfolk. Back to Mile Cross…
The Faden’s map of 1797 has “Mile Cross” written onto it, covering the area around Aylsham Road just south of the Boundary and across the road into what is now Catton. For the life of me I still can’t find out why this area was referred to as Mile Cross, or if it was linked in anyway to the pair of 15th Century Boundary crosses currently bookending Boundary Road. Presumably there would have been many more of these crosses encircling the city (I read somewhere that were as many as 10 at one point) and the only other cross still surviving from this period lives about 800 meteres away from Asda, hidden in the graveyard of St Mary’s church in Hellesdon, on the other side of the soon to be ex-golf course.