A fire at a two-storey house in Stittsville has forced a family of four from their home Tuesday morning.

Fire crews were called to 5 Bell St. near the Stittsville Library just after 8 a.m. Tuesday and arrived to see the fire spreading up the side of the home and into the second floor and attic.

No one was home at the time, but one of the neighbours who noticed the smoke went inside and rescued the family's dog, a chocolate Labrador.

Dog rescued from home

A neighbour went inside the house to bring the family's dog out before firefighters arrived. (CBC)

Firefighters say the fire started in worn electrical wiring in a gazebo on the rear deck, then spread to the home itself.

The fire caused about $475,000 in damage to the home and its contents, according to Ottawa fire services spokesman Marc Messier. The fire department initially estimated damage at about $275,000.