Six crews tackled the blaze which broke out just after 0530 at Hendys on the Marsh Barton Industrial Estate.
It took just over 2 hours to get the fire under control.
Thirty per cent of the building has been damaged by the fire.
Police investigate car supermarket fire in Exeter
More from Local News
-
Long-serving County Council leader steps down
John Hart leaves after 15 years
-
Crime Commissioner reveals top priorities
What is the force's next goal?
-
Torbay MP explains why he didn't vote on smoke ban
He says adults should be able to make up their own minds
-
Traffic returns to Torbay Road
Car ban scrapped on Paignton’s ‘Golden Mile’
-
Rail worker in near miss with train at Totnes
Investigators will publish safety recommendations
-
East Devon leisure centres under threat
"Difficult decisions" will have to be made
