The fire was understood to have started last night with crews from Kent Fire and Rescue Service in attendance.
At the height of the incident, twelve fire engines plus other specialist vehicles were fighting the fire at Church Lane in Sellindge near Ashford.
Ten crews remain at the scene of a fire and a height vehicle and a bulk water carrier are now in attendance.
A spokesperson added: “Progress is being made, however firefighters are expected to be on site for some hours to come.
“As a result of the firefighting activity, local residents may experience a dip in water pressure. Please share this information with friends and family who may not have access to the internet. “
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