There are five Conclaves within the Thames Division:

• St Frideswide, No. 339
• St Pauls No. 372
• Queen Mary, No. 444
• University, No. 468
• Buckinghamshire, No. 469
  

St Frideswide, No. 339
Constituted on 9 August 1979
Meets in Oxford on 1st Saturday in April (E), 4th Saturday in June and 1st Saturday in September
Recorder: W. Kt. David Eeles

St Pauls, No. 372
Constituted on 9 February 1983
Meets in Wokingham on 4th Saturday in April (E), 4th Saturday in July and 1st Saturday in October
Recorder: Ill. Kt. Kenneth Harvey, P.G.Pref.

Queen Mary, No. 444
Constituted on 8 November 1996
Meets in Banbury on 2nd Friday in February, 2nd Friday in July and 2nd Friday in November (E)
Recorder: W. Kt. David Jesson

University, No. 468
Constituted on 29 July 2000
Meets in Oxford on 5th Saturday in Michaelmas term (E) and 5th Saturday in Hilary term
Recorder: P. Kt. Marc Nowell
Web: www.university.conclave.org.uk

Buckinghamshire, No. 469
Constituted on 19 May 2001
Meets in Bletchley on 2nd Saturday in March and 3rd Saturday May (E)
Recorder: P. Kt. Paul Deakin