2018–19 Combined Counties Football League Division One

Division One will feature seven new teams after Worcester Park, Staines Lammas and Farleigh Rovers were demoted for ground grading reasons, South Park Reserves left the league, and Badshot Lea, Cobham and Raynes Park Vale were promoted to the Premier Division:


 * British Airways, promoted from the Middlesex County League.
 * Dorking Wanderers Reserves, joining from outside the pyramid structure (Suburban League).
 * Epsom & Ewell, relegated from the Premier Division.
 * Farnham Town, relegated from the Premier Division.
 * Godalming Town, relegated from the Premier Division.
 * Sandhurst Town, transferred from the Hellenic League Division One East.
 * Tooting Bec, promoted from the Surrey Elite Intermediate League.


 * Reserve sides are not eligible for promotion to Step 5.