Departing were Amersham & Chiltern, promoted to Regional 1 South East whilst Fullerians were relegated to Counties 1 Herts/Middlesex.
Leaving the league were Hammersmith & Fulham, promoted to Regional 1 South Central whilst Beaconsfield and Windsor were relegated to Counties 1 Southern North.
Leighton Buzzard had joined on a level transfer from Regional 2 Midlands East (10th in 2022-23) but after conceding numerous walkovers withdrew[1] leaving the league with just eleven sides.
The league had similarities to London 2 North West but was a level higher in the English rugby pyramid being 6 not 7.
Some of the teams joining would have previously played in London 2 South West being Surrey Rugby affiliated clubs.