31 August 1981 at Paddock Wood
| 500cc | RH Sidecars | 250cc |
| 1- Jeremy Doncaster | 1- Ken Jones & Rowland Broomfield | 1- Richard Wakeling |
| 2- Brian Webb | 2- Dave Heath & Ray Andrews | 2- Keith Sivier |
| 3- Duncan Tolhurst | 3- Dennis Teasdale & Keith Chapman | 3- Paul Luff |
| LH Sidecars | ||
| 1- Jim Pernfold & Steve Dempsey | ||
| 2- Barry Huggett & John Tysoe | ||
| 3- Ernie Penfold & Trevor Adams |