The allocations for the 2025/26 season in the Isthmian League South East Division have been confirmed by the F.A. after Jersey Bulls completed a 2-1 win over Cobham in the Combined Counties Premier Division playoffs and here they are:

Step 4 – Isthmian League – South East

1. AFC Croydon
2. AFC Whyteleafe
3. Ashford United
4. Beckenham Town
5. Broadbridge Heath
6. Crowborough Athletic
7. Deal Town
8. East Grinstead Town
9. Eastbourne Town
10. Erith Town
11. Faversham Town
12. Hassocks
13. Hastings United
14. Herne Bay
15. Jersey Bulls
16. Margate
17. Merstham
18. Sevenoaks Town
19. Sheppey United
20. Sittingbourne
21. Three Bridges
22. VCD Athletic

• Faversham Town and VCD Athletic have both been promoted from the Southern Counties East FL.
• Hassocks and Crowborough Athletic have both been promoted from the Southern Combination FL.
• Whyteleafe and Jersey Bulls have both been promoted from the Combined Counties Premier Division.
• Hastings United were relegated from the Isthmian Premier Division.
• For information: Littlehampton Town have been moved sideways into the Isthmian Central Division where they will play fellow Sussex side Bognor Town.