At 5:41am on Sunday, 29 May, we received reports of a fire at a property on Bulkeley Avenue in Windsor.
Royal Berkshire Fire and Rescue Service crews from Windsor and Slough fire stations were sent to the scene.
Upon arrival, crews confirmed a fire affecting the front of the property.
Crews worked to extinguish the fire using a hose reel, before placing four casualties into the care of South Central Ambulance Service.
Crews were on the scene for approximately one hour and 46 minutes.