Local fire appliances were mobilised to a report of a fire involving a thatched roof on Cad Road in Ilton near Ilminster at 03:34 this morning (Saturday).
On arrival fire crews from Ilminster confirmed that approximately 10m square of a tiled roof was affected by fire and started stripping tiles from the roof.
The incident involved a two storey detached property approximately 30m square used as a domestic extension with a tiled roof.
Crews used two breathing apparatus wearers, one hosereel jet and a thermal image camera to check for hotspots.
Devon & Somerset Fire & Rescue Service say the cause of the fire was due to a lightning strike.