The original purpose of the ground is unclear, although local legend suggests that it was part of a salt making industry run by monks from the adjacent Cluniac Priory.

The spoil from the excavation forms the mount behind the ground and both appear in the very earliest maps of Lewes from 1745.

The ground may merely be the excavation pit for the mount itself, which has been suggested as the original ‘temporary’ motte and bailey fortress constructed by William the Conqueror’s close ally, William de Warenne, before he developed Lewes Castle on higher ground.

An archaeological survey during construction of the new terrace failed to reveal any further insights into either the purpose or the age of the banks.

In recent years, the grass banks which used to provide a natural amphitheatre have been replaced by concrete as the club looked to secure ground grading standards.
In 2003 the Philcox Stand was opened behind the west goal and three years later, the 500 seat Rookery Stand replaced the old wooden South Stand which ran virtually the length of the pitch on top of the grass bank.

In 2008, the Terry Parris open terrace was built at the Ham Lane end, despite the protests of some local residents who opposed the destruction of a section of historic flint wall to make way for emergency access and a turnstile

A “B” grading was secured in April 2008 but work to bring the ground up to “A” grade status was suspended due to the club’s financial pressures and subsequent relegation into