of Anderida which was the fort that is believed to have been built by the Ancient British and the Romans at what is now Pevensey, just a few miles from Hailsham, thereby consolidating their conquest and forming the small kingdom of the South Saxons, or Sussex.

In Roman and Saxon times, the lowland marsh area between Anderida and the site of Hailsham, today known as the Pevensey Levels, is presumed to be