Great & Little Tew 2nd recovered from 83-7 to reach 167-7 and beat Milton Keynes Park 2nd to seal the Division 6 title.
Chris Greenway had hit 51 and Mikey Darby taken 4-30 in Park's 164 all out, then Jude Ramanadanpulle (4-49) and Roger Hobbs (3-29) had Tew in all sorts of trouble.
But a quickfire 54 not out from Steve Murrey and a more measured 33 not out from Paul Catling saw Tew to victory.
Great & Little Tew 2nd 30, Milton Keynes Park 2nd 14.
Abingdon Vale 2nd beat Wallingford by three wickets and so pipped their local rivals to the runners-up spot.
Put in to bat, Wallingford managed 156-9, Robin Newman taking 3-54 from 25 overs. Trevor Spindler (5-51) had Vale on the back foot, but Dave Ward (33no) saw them home.
Abingdon Vale 2nd 30, Wallingford 13.
Kidlington 2nd bowlers Jim Blackford (5-83) and Nick Jeacock (4-71) combined to restrict Sandford St Martin 2nd to 197-9.
Richard Lambden hit 65 for Sandford, who could not prevent Andrew Oliver (88no), John Kitson (45) and Ed Willmot (40no) securing a nine-wicket win.
Sandford St Martin 2nd 9, Kidlington 2nd 30.
James Whittenbury (59) was the mainstay behind Horspath 2nd's 189-6, which was enough to clinch a four-wicket win a Tiddington 2nd,.
Mike Fisher had top-scored with 37 in the home side's who had made 184-7.
Wolverton Town 2nd saw off Bledlow Ridge 2nd, passing their 247-9 for the loss of six wickets.
Tiddington 2nd 14, Horspath 2nd 30.
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