Firefighters attended the incident down Orleton Lane at about 12.10pm today.
Shropshire Fire & Rescue Service sent two engines from Wellington.
Crews used a hose reel jet to put out the blaze, which damaged the outside of the house.
The fire service reported: "Report of a bonfire out of control setting fire to house.
"Fire crew used one hose reel jet to extinguish the fire which had caused a small amount of damage to exterior of property."
Firefighters had dealt with the incident by about 12.44pm.