Club allocations for 2026/27 season

Isthmian Premier (22 teams): AFC Whyteleafe, Aveley, Brentwood Town, Burgess Hill Town, Carshalton Athletic, Chatham Town, Cheshunt, Cray Wanderers, Dartford, Dulwich Hamlet, Eastbourne Borough, Enfield Town, Leatherhead, Lewes, Maldon & Tiptree, Ramsgate, St Albans City, Stanway Rovers Community, Three Bridges, Welling United, Whitehawk, Wingate & Finchley

Isthmian South Central (22 teams): AFC Portchester, AFC Stoneham, Ascot United, Ashford Town, Bedfont Sports, Binfield, Bognor Regis Town, Cobham, Egham Town, Harrow Borough, Hartley Wintney, Hayes & Yeading United, Hendon, Jersey Bulls, Kingstonian, Littlehampton Town*, Moneyfields, Raynes Park Vale, Southall, Westfield, Winchester City, Windsor & Eton

Isthmian North (22 teams): AFC Sudbury, Bowers & Pitsea, Brightlingsea Regent, Buckhurst Hill, Cambridge City, Canvey Island, Concord Rangers, Fakenham Town, Felixstowe & Walton United, Gorleston, Grays Athletic, Hashtag United, Little Oakley, Lowestoft Town, Mulbarton Wanderers, Newmarket Town, Redbridge, Takeley, Tilbury, Walthamstow, Witham Town, Wroxham.

Isthmian South East (22 teams): AFC Croydon Athletic, Ashford United, Broadbridge Heath, Cray Valley PM, Crowborough Athletic, Deal Town, Eastbourne Town, Erith Town, Faversham Town, Guernsey or Peacehaven & Telscombe, Hastings United, Herne Bay, Horley Town, Margate, Merstham, Punjab United, Sevenoaks Town, Sheppey United, Sittingbourne, South Park (Reigate), Steyning Town, Whitstable Town.

*Reprieved on a PPG basis across the Step level, to cover previous vacancy left when Widnes FC withdrew before the start of the 2025/26 season (post-AGM).