Champions Boldon CA Villa were promoted to the North East League along with runners-up Boro Rangers (formerly Stockton West End) and third-placed Consett.
St. Cuthberts Amazons and Darlington Spraire go up to Division 1 after taking first and second place respectively in the Development Division.
Chester le Street-based Waldridge Park, Hartlepool United Development and Lumley Pinks are newcomers in a 14-team Development Division, with 9 sides in the First.
DURHAM LEAGUE 2017-18 CONSTITUTION:
DIVISION 1 – Birtley Town, Bishop Auckland, Chester Le Street SCFC, Chester Le Street St Cuthbert’s Amazons, Darlington Spraire, Gateshead Leam Rangers, Hartlepool United Res, Norton & Stockton Ancients Res, Washington
DEVELOPMENT DIVISION – Bishop Auckland Dev, CLS Waldridge Park, Consett AFC Belles, Coxhoe United, Darlington Spraire Lasses, Farringdon Detached, Felling Magpies, Gateshead Rutherford, Hartlepool United Dev, Lumley, Lumley Pinks, South Shields Res, Washington AFC Dev, Washington Juniors