Crews from Tiverton, Cullompton and South Molton were called out to the property in Bickleigh just before 3am.
Overhead power cables nearby have been disconnected.
Crews on scene used compressed air foam covering jet on the barn.
Mid Devon barn fire destroys 300 bales of hay.
More from Local News
-
Tens of millions to be invested in Devon's buses
Local leaders will decided how money is spent
-
Fawlty Towers: The Play - REVIEW
Chaotic tribute act to renowned series
-
Lib Dems hold Exmouth seat in by-election
Fran McElhone wins the Halsdon seat
-
Paignton YMCA moves into former Mormon chapel
Our new home is absolutely ideal'
-
Homes to be built on former Exeter driving range
More than 50 houses planned
-
Extra staff to improve adult response times
Two-day target only hit in one in every 10
