[1] Starting this season, the Premier Division (step 5) promotes two clubs; one as champions and one via a four-team play-off.
[2] The Premier Division was reduced to 18 clubs from 20 after Mousehole were promoted to the Southern League South Division; Sherborne Town were transferred to the Wessex League; Cadbury Heath took voluntary demotion to Division One, Keynsham Town were relegated to Division One, and Ashton & Backwell United and Bitton resigned from the league.
Mangotsfield United were initially transferred from the Hellenic League Premier Division, but were moved back after the resignation of Shrivenham from that league.
The First Division remained at 22 clubs after Nailsea & Tickenham and Oldland Abbotonians were promoted to the Premier Division; Bishops Lydeard were transferred to the South West Peninsula League Premier Division East, FC Bristol and Tytherington Rocks were transferred to the Hellenic League Division One, and Almondsbury were relegated.
Helston Athletic were defending champions, having beaten Shepton Mallet in the 2022–23 season.