An untended garden brazier set fire to a house in Thorpe Willoughby near Selby.
Hot embers from the brazier set fire to a nearby wooden bin store in the garden.
The fire then spread to a garden fence, then the roof of the house.
Two fire crews from Selby used breathing apparatus, two water jets, thermal imaging cameras, ladders and a salvage sheet to put out the blaze in the early hours of this morning.
The fire damaged the house's roof and timbers, as well as a neighbour's facia boards.
"The cause is believed to be careless use of a brazier," said a spokesperson for North Yorkshire Fire and Rescue.
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