Sure, the dosh! Pretty much everything else from conception, blunt end to the pointy end, is British.
Sounds just like the Americans high-fiving about that all American brand, Harley Davidson*.
The Jaguar (owned by an Indian consortium) I-Pace is made by a Canadian company in Austria using Korean batteries made by LG Chem but yeah, it's "British" end-to-end.
*Known in motorcycling world as Hardley -Ableson. A badly built machine designed to turn petrol into heat and noise without the side effect of horsepower or very much acceleration. All whilst totally devoid of handling or decent braking.