Wareham Rangers Reserves moved to the Dorset Reserves League.

Piddletrenthide, Stourpaine and Swanage Town and Herston Reserves promoted from Division Two.

AFC Bluebird renamed AFC Bluebridge Barwick and Stoford renamed Bradford Sports and Purbeck Panthers renamed Wool RBL.

Easton United Reserves resigned from the League.

New teams, FC Polonia and Parley Sports who moved from the Bournemouth League.