| Club |
2025–26 League/Division |
Lvl |
Nickname |
2026–27 League/Division |
Lvl |
| AFC Dunstable | Southern League Division One Central | 8 | Ods | Club merged into Dunstable | - |
| AFC Uckfield Town | Southern Combination League Division One | 10 | Oaks | Relegated to Mid Sussex League Premier | 11 |
| Allexton & New Parks | Midland League Division One | 10 | tbc | Resigned - no current league | - |
| Barkingside | Eastern Counties League Division One South | 10 | Sky Blues | Relegated to Essex Alliance League Senior | 11 |
| Blackfield & Langley | Wessex League Division One | 10 | Watersiders | Relegated to Hampshire Premier League Senior | 11 |
| Brighouse Town | Northern Premier League Division One East | 8 | Town | Resigned - joined West Yorkshire League One | 12 |
| British Airways | Combined Counties League Premier Division North | 9 | tbc | Club folded | - |
| Chalfont St Peter | Combined Counties League Division One | 10 | Saints | Relegated to Thames Valley Premier League Premier | 11 |
| Cheddar | Western League Division One | 10 | Cheesemen | Relegated to Somerset County League Premier | 11 |
| Chessington & Hook United | Southern Counties East League Division One | 10 | Blues | Relegated to Surrey Premier County League Premier | 11 |
| City of Liverpool | North West Counties League Premier Division | 9 | Purps | Relegated to Liverpool Premier League Premier | 11 |
| Copthorne | Southern Combination League Division One | 10 | tbc | Relegated to Southern Combination League Two | 11 |
| Dunstable Town | Spartan South Midlands League Premier Division | 9 | Blues | Club merged into Dunstable | - |
| Esh Winning & Deerness Valley | Northern League Division Two | 10 | Stags | Relegated to Wearside League Premier | 11 |
| Farsley Celtic | Northern Counties East League Premier Division | 9 | Villagers | Club folded | - |
| FC Romania | Eastern Counties League Division One South | 10 | Wolves | Club folded | - |
| Glasshoughton Welfare | Northern Counties East League Division One | 10 | Welfare | Relegated to West Yorkshire League Premier | 11 |
| Haughmond | North West Counties League Division One South | 10 | Academicals | Relegated to Shropshire County League Premier | 11 |
| Haverhill Borough | Eastern Counties League Division One North | 10 | tbc | Resigned - no current league | - |
| Hengrove Athletic | Western League Division One | 10 | Grove | Relegated to Somerset County League Premier | 11 |
| Hillingdon Borough | Combined Counties League Division One | 10 | Hillmen | Club folded | - |
| Kings Park Rangers | Eastern Counties League Division One North | 10 | tbc | Club folded | - |
| Leiston U23s | Eastern Counties League Division One North | 10 | Blues | Relegated to Suffolk & Ipswich League Premier | 11 |
| London Colney | Spartan South Midlands League Division One | 10 | Blueboys | Relegated to Spartan South Midlands League Two | 11 |
| Long Buckby | Spartan South Midlands League Division One | 10 | Bucks | Resigned - joined Northamptonshire Combination League Premier | 11 |
| Melton Town | United Counties League Premier Division North | 9 | tbc | Resigned - joined Leicestershire Senior League Premier | 11 |
| Milton United | Combined Counties League Premier Division North | 9 | Miltonians | Resigned - joined Oxfordshire Senior League Premier | 11 |
| Nailsea & Tickenham | Western League Premier Division | 9 | Seamen | Resigned - no current league | - |
| Newark and Sherwood United | United Counties League Premier Division North | 9 | tbc | Resigned - joined Nottinghamshire League Premier | 11 |
| Nostell Miners Welfare | Northern Counties East League Division One | 10 | Welfare | Relegated to Sheffield & Hallamshire County Senior League Premier | 11 |
| Nuneaton Griff | Midland League Division One | 10 | Heartlanders | Relegated to Midland League Two | 11 |
| Pilkington | North West Counties League Premier Division | 9 | tbc | Resigned - joined Cheshire League Two | 13 |
| Rainworth Miners Welfare | United Counties League Division One | 10 | Wrens | Relegated to Nottinghamshire League Premier | 11 |
| Shefford Town & Campton | Spartan South Midlands League Division One | 10 | Bluemen | Relegated to Bedfordshire County League Premier | 11 |
| St Day | South West Peninsula League Premier Division West | 10 | tbc | Resigned - joined St Piran League Premier West | 11 |
| Stockport Town | North West Counties League Premier Division | 9 | Lions | Resigned - no current league | - |
| Sunderland West End | Northern League Division Two | 10 | Albion | Resigned - joined Wearside League Premier | 11 |
| Thame United Reserves | Hellenic League Division One | 10 | United | Relegated to Oxfordshire Senior League Premier | 11 |
| Truro City Reserves | South West Peninsula League Premier Division West | 10 | White Tigers | Resigned - no current league | - |
| United Services Portsmouth | Wessex League Division One | 10 | RN | Relegated to Hampshire Premier League Senior | 11 |
| VCD Athletic | Isthmian League South East Division | 8 | Vickers | Club folded | - |
| Wellington (Herefordshire) | Hellenic League Division One | 10 | Wellies | Relegated to Herefordshire League One | 12 |
| West Allotment Celtic | Northern League Division One | 9 | Celtic | Resigned - no current league | - |
| Widnes | Northern Premier League Premier Division | 7 | Vikings | Club folded | - |
| Windsor | Combined Counties League Division One | 10 | Royalists | Resigned - no current league | - |
| Wolverhampton Sporting | North West Counties League Division One South | 10 | Wolves Sporting | Resigned - joined West Midlands (Regional) League One | 12 |