EXPANSION
The British Football League has expanded steadily since its formation, adding new franchises in waves to build a national, conference‑based structure. This page lists only expansion events: new teams entering the league, reactivations, and major structural changes.
| Years | Teams Added |
|---|---|
| 2015 |
Birmingham Bandits (E) London Monarchs (E) Manchester Demons (E) Scottish Claymores (E) Sussex Pirates (E) Tyneside Mariners (E) Welsh Dragons (E) Yorkshire Vikings (E) Founding expansion; league launches with eight franchises. |
| 2019 |
Caledonian Knights (E) Sherwood Forest Outlaws (E) First expansion wave; league grows to 10 teams. |
| 2021 |
Merseyside Centurions (E) Thames Valley Thunder (E) Second expansion wave; league reaches 12 teams. |
| 2025 |
Avon Fire (E) Humberside Destroyers (E) Leicester Stallions (E) Sheffield Surge (E) Major expansion to 16 teams; full national footprint established. |