A vacant, two-storey house located at Morne Du Don, Castries caught fire early Tuesday morning.
Reports are that the inferno started in the upper flat of the house at about 5:40a.m.
The Saint Lucia Fire Service encountered some difficulties when they arrived at the scene.
Reports are that the traffic caused the team to arrive late and the nearby hydrant had no water.
When the water did flow, the pressure was too low to help oust the fire.
An investigation has been launched to determine the cause of the fire.