Fire crews from Lancaster and Morecambe were called to reports of a fire at a property in Oxford Street, Lancaster at 1.25pm.
A spokesman from Lancashire Fire and Rescue Service said the incident involved plastic garden furniture and guttering at the rear of the property.
They added: "Firefighters used one hose reel and triple extension ladder and a thermal imaging camera."
Fire crews were at the scene approximately 45 minutes.
No casualties were reported.