[1] The Final took place on 3 June at Brandon in Coventry, England.
The Championship was won by Steve Bastable, who beat Kenny Carter and John Louis in a run-off for the title.
The top eight riders qualified for the next stage of the World Championship, the 1981 Overseas Final.
[2] m - exclusion for exceeding two minute time allowance • t - exclusion for touching the tapes • x - other exclusion • e - retired or mechanical failure • f - fell • ns - non-starter • nc - non-classify Rob Lightfoot won the British Speedway Under 21 Championship.
The final was held at Kingsmead Stadium on 4 July.