13 August 1978 at Old Romney
| 500cc | 350cc | 250cc |
| 1- Brian Webb | 1- John Underwood | 1- Keith Potts |
| 2- Simon Wigg | 2- Graham Hurry | 2- Brian Webb |
| 3- Graham Hurry | 3- Denny Barber | 3- Richard Wakeling |
| 4- Tony Steggles | 4- Bernie Leigh | 4- Bernie Leigh |
| 5- Michael Andrews | 5- Roland Duke | 5- Martin Goodwin |
| 6- David Spain | 6- Colin Sweby | 6- D. Brown |
| RH Sidecars | 500cc Sidecars | |
| 1- Pete Robson & Dave Hopes | 1- Rob Stoneman & Rowland Broomfield | |
| 2- Roger Measor & Pete Dulake | 2- M. Chinnery & J. Elkins | |
| 3- Terry Skinner & Steve Martins | 3- Ken Jones & Steve Wheeler | |
| 4- Dave Heath & Ray Andrews | 4- Clyde Cardy & Taff Harding | |
| 5- Gerry Wheeler & G. Rattenbury | 5- Dick Evans & M. Walker | |
| 6- Rob Stoneman & Rowland Broomfield | 6- J.Pepper & G. Moeser |
4 June 1978 at Old Romney
| 500cc (Jack Emmott Trohy) | RH Sidecars (Jack Emmott Trophy) | 490cc – 500cc (1) |
| 1- Roland Duke | 1- A. Burdett & A. Rouse | 1- Trevor Banks |
| 2- Trevor Banks | 2- Dave Heath & Ray Andrews | 2- Roland Duke |
| 3- Graham Hurry | 3- T. Charles & K. Mardell | 3- Brian Webb |
| 340cc – 350cc | RH Sidecars (1) | 250cc |
| 1- Roland Duke | 1- Dave Heath & Ray Andrews | 1- Brian Webb |
| 2- Terry Birkumshaw | 2- T. Charles & K. Mardell | 2- Graham Banks |
| 3- David Spain | 3- Richard Peberdy & B. Hicks | 3- Colin Packman |
2 April 1978 at Brenzett
| 490cc – 500cc | RH Sidecars (2) | 350cc – 500cc |
| 1- John Britcher | 1- A. Burdett & Ray Andrews | 1- Graham Hurry |
| 2- Brian Webb | 2- Stuart Jukes & Phil Algar | 2- ANOther |
| 3- Graham Hurry | 3- Richard Peberdy & Jim Head | 3- ANOther |
| 250cc – 350cc | RH Sidecars (1) | 250cc |
| 1- Brian Webb | 1- Stuart Jukes & Phil Algar | 1- Brian Webb |
| 2- John Rowney | 2- Richard Peberdy & Jim Head | 2- Roland Duke |
| 3- Barry Hazelton | 3- A. Burdett & Ray Andrews | 3- Martin Hagon |