Fire and Rescue NSW (FRNSW) crews initially attacked the fire internally but due to the intense heat and flames were forced to withdraw and attack the blaze externally from multiple sides and from above by an aerial platform.
More than 40firefighters helped extinguish the blaze.
Nearby residents were evacuated with a large amount of smoke in surrounding locations.
Battled fire from the sky
FIREFIGHTERS took to the sky to battle a large house fire in Guildford yesterday about 5.30pm.