I have lived just down the A20 from Crittalls Corner for 21 years and wondered where the name came from? In the other direction we have Clifton’s roundabout, which was named after a garage that used to stand on the side of the roundabout. The garage is still there, but no longer called Clifton’s. A little further away is the Yorkshire Grey roundabout, named after a pub which occupied the south side. Again, the building is still there although these days it is a McDonalds restaurant. But I didn’t know anything about Crittall’s until quite by chance I came across this in a blog post.

Francis Berrington Crittall started his eponymous company in 1849, but it wasn’t until 1884 they started making their famous metal windows which even found their way onto the Titanic. The company has always been based around Braintree in Essex, so it is a bit of a mystery why a roundabout on the A20 near Sidcup where one of their factories stood on its north-west corner should have been given the accolade of Crittalls Corner.
I copied the text but sadly the browser closed before I could get the details of the blog, so a thank you anyway to the person who blogged it. great to finally know after all these years.
so much history in ever square mile!