Delapre collected their first win of the season with a 13-4 home success against Cherwell Edge, who registered their first victory of the campaign a couple of days earlier with a walkover away win at Silverstone.
Brampton Heath’s strong tail proved crucial in their home contest with previously-unbeaten Wellingborough as they recorded a 13-1 victory to move clear at the top.
Leading by a single point after the opening three games, Brampton seized control, thanks to Gary James and Ben Morris (three holes), Andrew Gosling and Damien Heffernan (two holes) and Ian Patton and David Masters (six holes).
Hellidon Lakes edged a thrilling away contest with Priors Hall by the scoreline 9-7, thanks to a good run of late results.
Jim Collins and Callum Milne (four holes) and Paul Briggs and Paul Fennessy (three holes) put the hosts in control early on, before Hellidon seized the initiative on the back of a five-hole win from Bob Thomson and Duncan Childs.
Kingsthorpe were also victorious on their travels as a six-hole success from Oliver Haywood and Leigh Woodward in the opening tie helped them record a 10-5 win.