Everything You Need to Know Before the New Season

Pre-season training has started, registration windows are closing, and thousands of adult grassroots clubs across the UK are getting ready for another year of Sunday league football. Here’s a clear breakdown of what’s actually happening this season — when leagues start, what’s changing higher up the pyramid, and why this year could bring one of the biggest waves of new players in recent memory.

When Does Adult Sunday League Football Actually Start?

There’s no single national start date for adult grassroots football — each county league runs its own calendar. But the pattern is consistent across the country:

• August is registration and pre-season friendlies. Clubs re-affiliate with their county FA, confirm their entry into a league, and get every player signed up through the FA’s Whole Game System before they’re eligible to play.
• Early-to-mid September is when competitive fixtures begin, typically once the opening round of the relevant county cup has been drawn.

Behind the scenes, club committees are chasing the practical stuff too: pitch bookings, referee availability, confirming which grounds actually recovered from a wet winter. Some clubs are shifting home venues at short notice, especially where Football Foundation pitch upgrades are still underway. Worth checking before you build a season around a “home” ground that isn’t ready yet.

If your club plays in a specific city or county — the Southern Sunday Football League in London, the Barnet Sunday League, the Sunderland Sunday League, the Manchester Grassroots Sunday Football League, or any of the dozens of others — each publishes its own start date and opening fixtures, usually through TeamStats or the FA’s Full-Time platform.

The Step Below Non-League Is Reshuffling Too

It’s not just Sunday league football getting a refresh this season. The step 5 and step 6 leagues that sit just above grassroots and feed directly into England’s National League System — including the Eastern Counties League, the United Counties League, the Combined Counties League, the Northern Counties East League, and the Essex Senior League — had their club allocations confirmed by the FA in mid-May, with fixtures released over the summer and matches getting underway in August.

This matters more than it might first seem for grassroots football specifically: these leagues are where a lot of adult amateur players who’ve outgrown Sunday league end up, and they’re a genuine pathway upward for talented players at clubs without academy backing. If your readers include ambitious Sunday league players, this is the tier to point them toward.

Why This Season Could See a Big Jump in Player Numbers

Adult grassroots clubs have genuine reason to expect growth this season. England’s run to the semi-finals of the 2026 FIFA World Cup gave club football a boost. So did the Lionesses’ EURO 2025 win the year before. Adult participation — especially in women’s football — has been the fastest-growing part of the grassroots game for two seasons running.

Clubs that get their registration open and advertise trial sessions before the September rush are typically the ones that benefit most from this kind of post-tournament interest. If your club hasn’t opened sign-ups yet, now is the moment.

What Adult Clubs Should Be Doing Right Now

• Confirm your county FA’s registration deadline — most close by late August
• Make sure every returning and new player is registered on the FA’s Whole Game System before your first fixture
• Lock in your home pitch and check it’s actually match-ready, especially if it’s been part of any recent facility upgrade works
• Watch for Football Foundation grant announcements in your area — new floodlights, drainage, or 3G surfaces can directly affect fixture scheduling once the season starts