Jarrott was born at 25 Hendon Street, Pimlico, London, to Martha and Robert Jarrott, a blacksmith's labourer. He had three elder sisters. He implied that his education may have been schools in London, Cambridge and articled to a solicitor. Jarrott married Violet Aline Vyner in 1903, the former wife of James St Clair-Erskine, 5th Earl of Rosslyn but the marriage was childless. With Ursula Jean Borlase he had a son Charles who became a film director.
Career
Racing
Jarrott raced from 1900 to 1904, winning the 1902 Circuit des Ardennes race and competing in the 1903 and 1904 Gordon Bennett Cup races. In 1901 he finished 10th in the Paris–Berlin Trail, driving a Panhard et Levassor No 13, and completing the 1105 km in 19 hours and 59 seconds. In 1902 he finished 3rd in the Paris–Arras–Paris race, driving a Panhard et Levassor No 3, and completing the 864 km in 13 hours4 minutes and 12 seconds. He later entered the Paris–Vienna Trail where he finished 23rd in the Panhard et Levassor number 8, completing the 990 km in 20 hours, 44 minutes and 12 seconds. Jarrott's greatest success was winning the 1902 Circuit des Ardennes in the Panhard et Levassor, completing the 6 lap, 512 km race at Bastogne in car number 8, taking 5 hours, 53 minutes 39 seconds. Jarrott had inherited the lead on lap 3 after Baron Pierre de Crawhez retired in his Mors Z. In 1903 he finished 3rd in the Paris–Madrid Trail race, driving a De Dietrich car No 1, and completing the 1,014 km until the race was abandoned at Bordeaux in 5 hours 25 minutes and 55 seconds. But he failed to finish in the Circuit des Ardennes at Bastogne after his de Dietrich No 4 suffered multiple tire failures. In 1904 Jarrott entered the Gordon Bennett Cup Eliminator, the that was held in the Forest of Argonne, but his de Dietrich 24/28 hp, Car No 21, retired after 5 laps with mechanical problems.
Business
In 1897 he was made secretary by Harry Lawson in his British Motor Syndicate. In 1900 Jarrott became the UK agent for Panhard et Levassor in partnership with Conservative politician Harvey Du Cros who was already a director of Dunlop Rubber and importer of French Clément-Gladiators. in 1902 in association with W.M. Letts Jarrott founded the car import firm of 'Charles Jarrott & Letts Ltd'. In 1905, Jarrott was amongst those who founded the Automobile Association. He served as the Association's chairman in 1922.