Should they slip up, Hounslow, lying second, will require a home win against the third-placed Southgate to take their third title.
Southgate, still smarting from their HA Cup quarter-final defeat on penalty strokes against Hounslow, will be hoping to salvage something from the season. John Shaw returns to captain the team.
Canterbury and St Albans, fighting with Slough to avoid the drop to the Second Division along with Bromley, meet at the Polo Ground.
In the Women's National League, the leaders and defending champions Ipswich travel to Cannock today to meet the unpredictable First Personnel Sutton Coldfield, while Balsam Leicester visit the second-placed Slough, who are waiting in the wings to take over should Ipswich slip up.
Oxford start favourites for this afternoon's 93rd women's University Match. Jenni Adams, the New Zealand captain, leads a strong home side, currently 10 points clear at the top of the Gryphon Three Counties League.