2018–19 United Counties League

The provisional club allocations for steps 5 and 6 were announced by the FA on 25 May. The constitution is subject to ratification by the league at its AGM on 16 June.

Premier Division
At the end of the 2017–18 season, the following teams left the division:
 * Promoted to Step 4
 * Wisbech Town, to NPL Division One East
 * Yaxley, to Southern League East Division
 * Relegated to Step 6
 * Northampton Sileby Rangers, to Division One
 * St Andrews, to Division One

The remaining 18 teams, together with the following, form the Premier Division for season 2018–19:
 * Promoted from Step 6
 * Pinchbeck United, from Division One
 * Transferred within Step 5
 * Rugby Town, from the Midland League

Division One
At the end of the 2017–18 season, the following teams left the division:
 * Promoted to Step 5
 * Pinchbeck United, to the Premier Division
 * Potton United
 * Transferred within Step 6
 * Buckingham Town, to the Spartan South Midlands League
 * Relegated to Step 7
 * Oakham United
 * Stewarts & Lloyds Corby
 * Closed at the end of the season
 * Olney Town

The remaining 14 teams, together with the following, form Division One for season 2018–19:
 * Relegated from Step 5
 * Northampton Sileby Rangers, from the Premier Division
 * St Andrews, from the Premier Division
 * Transferred within Step 6
 * Anstey Nomads, from the East Midlands Counties League
 * Aylestone Park, from the East Midlands Counties League
 * Birstall United, from the East Midlands Counties League
 * Holwell Sports, from the East Midlands Counties League