Regional 2 Thames

The twelve teams play home and away matches from September through to April, making a total of twenty-two matches each. The results of the matches contribute points to the league as follows:

• 4 points are awarded for a win
• 2 points are awarded for a draw
• 0 points are awarded for a loss, however
• 1 losing (bonus) point is awarded to a team that loses a match by 7 points or fewer
• 1 additional (bonus) point is awarded to a team scoring 4 tries or more in a match

There is one automatic promotion place and two relegation places. The first-placed team at the end of season wins promotion to either Regional 1 South Central or Regional 1 South East.

Departing were London Scottish Lions promoted to Regional 1 South Central while Hemel Hempstead (11th) and Old Haberdashers (12th) were relegated to Counties 1 Hertfordshire and Counties 1 Middlesex respectively. Also leaving were H.A.C. (runners-up) on a level transfer to Regional 2 Anglia.

Team Ground Capacity City/Area Previous season Aylesbury Ostler's Field Weston Turville, Aylesbury, Buckinghamshire 10th Beaconsfield Oak Lodge Meadow Beaconsfield, Buckinghamshire 4th Belsize Park Regent's Park Belsize Park, London 3rd Brunel University Brunel University Sports Park Uxbridge, London Promoted from Counties 1 Herts/Middlesex (champions) Grasshoppers MacFarlane Lane Isleworth, London 7th Harpenden Redbourn Lane Harpenden, Hertfordshire Relegated from Regional 1 South East (11th) London Irish Wild Geese Hazelwood 2,000 Sunbury-on-Thames, Surrey 5th Marlow Riverwoods Drive Marlow, Buckinghamshire 9th Old Priorians Perivale Greenford, London 6th Oxford Harlequins II Horspath Sports Ground[1] 1,000 Horspath, Oxfordshire Promoted from Counties 1 Southern North (champions) Teddington Udney Park Sports Ground Teddington, London 8th Windsor Home Park Windsor, Berkshire Promoted from Counties 1 Southern North (runners-up)

Brunel Belsize Park Grasshoppers Priorians Teddington class=notpageimage| Locations of the 2025–26 Regional 2 Thames teams in Greater London Aylesbury Beaconsfield Harpenden London London Irish Am Marlow Oxford Quins II Windsor class=notpageimage| Locations of the 2025–26 Regional 2 Thames teams in Surrey, Berkshire, Buckinghamshire, Oxfordshire & Hertfordshire

Departing were Amersham & Chiltern, promoted to Regional 1 South East whilst Fullerians were relegated to Counties 1 Herts/Middlesex. Also leaving were Chobham on a level transfer to Regional 2 South Central. Replacing them were London Irish Wild Geese returning to the league on a level transfer from Regional 2 South Central together with London Scottish Lions promoted from Counties 1 Herts/Middlesex, Teddington promoted from Counties 1 Surrey/Sussex and Beaconsfield from Counties 1 Southern North. With three departing and four joining, the league was restored to twelve teams.

Team Ground Capacity City/Area Previous season Aylesbury Ostler's Field Weston Turville, Aylesbury, Buckinghamshire 10th Beaconsfield Oak Lodge Meadow Beaconsfield, Buckinghamshire Promoted from Counties 1 Southern North (champions) Belsize Park Regent's Park Belsize Park, London 2nd Grasshoppers MacFarlane Lane Isleworth, London 6th H.A.C. Artillery Ground Finsbury, London 3rd Hemel Hempstead Chaulden Lane Hemel Hempstead, Hertfordshire 5th Marlow Riverwoods Drive Marlow, Buckinghamshire 9th Old Haberdashers Croxdale Road Borehamwood, Hertfordshire 8th Old Priorians Perivale Greenford, London 4th London Irish Wild Geese Hazelwood 2,000 Sunbury-on-Thames, Surrey Level transfer from Regional 2 South Central (5th) London Scottish Lions King's House Sports Ground Chiswick, London Promoted from Counties 1 Herts / Mdx (champions) Teddington Udney Park Sports Ground Teddington, London Promoted from Counties 1 Sur / Ssx (champions)

Belsize Park Grasshoppers H.A.C. LS Lions Priorians Teddington class=notpageimage| Locations of the 2024–25 Regional 2 Thames teams in Greater London Aylesbury Beaconsfield Hemel Hempstead London London Irish Am Marlow Haberdashers class=notpageimage| Locations of the 2024–25 Regional 2 Thames teams in Surrey, Buckinghamshire & Hertfordshire

Leaving the league were Hammersmith & Fulham, promoted to Regional 1 South Central whilst Beaconsfield and Windsor were relegated to Counties 1 Southern North. Also departing were Cobham and London Cornish on a level transfer to Regional 2 South East as did London Irish Wild Geese to Regional 2 South Central

In their place came Chobham promoted from Counties 1 Surrey/Sussex, Hemel Hempstead and Grasshoppers, both promoted from Counties 1 Herts/Middlesex, and Marlow promoted from Counties 1 Southern North whilst H.A.C. joined on a level transfer from Regional 2 Anglia.

Leighton Buzzard had joined on a level transfer from Regional 2 Midlands East (10th in 2022-23) but after conceding numerous walkovers withdrew^[3] leaving the league with just eleven sides.

Team Ground Capacity City/Area Previous season Amersham & Chiltern Weedon Lane Amersham, Buckinghamshire 2nd Aylesbury Ostler's Field Weston Turville, Aylesbury, Buckinghamshire 7th Belsize Park Regent's Park Belsize Park, London 9th Chobham Fowlers Well Chobham, Surrey Promoted Counties 1 Sur/Ssx (champions) Fullerians Coningsby Drive Watford, Hertfordshire 8th Grasshoppers MacFarlane Lane Isleworth, London Promoted from Counties 1 Herts/Mdx (2nd) H.A.C. Artillery Ground Finsbury, London Level transfer from Regional 2 Anglia (2nd) Hemel Hempstead Chaulden Lane Hemel Hempstead, Hertfordshire Promoted Counties 1 Herts/Mdx (champions) Leighton Buzzard Wright's Meadow Leighton Buzzard, Buckinghamshire Level transfer from Regional 2 Midlands East (10th) Marlow Riverwoods Drive Marlow, Buckinghamshire Promoted from Counties 1 Southern North (2nd) Old Haberdashers Croxdale Road Borehamwood, Hertfordshire 10th Old Priorians Perivale Greenford, London 4th

Belsize Park Fullerians Grasshoppers H.A.C. Priorians class=notpageimage| Locations of the 2023–24 Regional 2 Thames teams in Greater London Amersham Aylesbury Chobham Hemel Hempstead Leighton Buzzard London Marlow Haberdashers class=notpageimage| Locations of the 2023–24 Regional 2 Thames teams in Surrey, Buckinghamshire & Hertfordshire

This was the first season following the RFU Adult Competition Review. The league had similarities to London 2 North West but was a level higher in the English rugby pyramid being 6 not 7. Some of the teams joining would have previously played in London 2 South West being Surrey Rugby affiliated clubs. It also picked up three Berkshire RFU and Bucks RFU clubs who had historically competed in SW Division leagues.

Team Ground Capacity City/Area Previous season Amersham & Chiltern Weedon Lane Amersham, Buckinghamshire 8th London 1 North Aylesbury Ostler's Field Weston Turville, Aylesbury, Buckinghamshire Promoted Southern Counties North (3rd) Beaconsfield Oak Lodge Meadow Beaconsfield, Buckinghamshire 7th SW 1 East Belsize Park Regent's Park Belsize Park, London 9th London 1 North Cobham Old Surbitonians Memorial Ground Cobham, Surrey 7th London 1 South Fullerians Coningsby Drive Watford, Hertfordshire Promoted from London 2NW (4th) Hammersmith & Fulham Hurlingham Park Fulham, London 4th London 1 South London Cornish Richardson Evans Memorial Playing Fields Roehampton Vale, London 13th London 1 South Old Haberdashers Croxdale Road Borehamwood, Hertfordshire 10th London 1 North Old Priorians Perivale Greenford, London Promoted from London 2NW (3rd) London Irish Wild Geese Hazelwood 2,000 Sunbury-on-Thames, Surrey 12th London 1 South Windsor Home Park Windsor, Berkshire 11th SW 1 East

Belsize Park Fullerians H&F London Cornish Priorians class=notpageimage| Locations of the 2022–23 Regional 2 Thames teams in Greater London Amersham Aylesbury Beaconsfield Cobham London L Irish Am Haberdashers Windsor class=notpageimage| Locations of the 2022–23 Regional 2 Thames teams in Surrey, Buckinghamshire & Hertfordshire