The Prime Meridian passes to the east of Westmill, as does the Roman road Ermine Street, which ran from London to Lincoln and York.

[4] West Mill railway station on the Great Eastern Railway's Buntingford Branch Line from St Margarets to Buntingford opened on 3 July 1863.

[5] The large medieval parish church, dedicated to St Mary the Virgin and restored in the 19th century, shows signs of a Saxon origin.

One, a thatched cottage named Button Snap at Cherry Green, was owned by the writer Charles Lamb from 1812 to 1815.

[7] It was through the widow of his godfather, Francis Fielde (died 1809) that Lamb, as he put it, "came into possession of the only landed property which I could ever call my own.