[2] Heward first entered the British Touring Car Championship in 1996 where he campaigned a former David Leslie RML works 1993 Vauxhall Cavalier with his own low-budget Promotor-Sport Team.

He started his season in the third round at Brands Hatch, but was well off the pace of his fellow Total Cup for Independents racers, failing to qualify due to steering issues.

He would have more success on his second visit to Thruxton circuit that year finishing 12th overall in the now historic race that saw Alain Menu and Will Hoy's crash in the Williams, Renault Laguna at Campbell on the opening lap.

In 2016, Heward returned to the Britcar Endurance Car Championship in a Porsche 911 RSR racing for the Porscheshop Team with TCR and GT Driver Darelle Wilson.

Heward continued in Britcar in 2018/19 & 2020, racing in the Porsche 911 RSR with protege Darelle Wilson for The Porscheshop Team, achieving 2nd in class and 6th overall in the championship.