One appliance and crew from Beaconsfield and one from Maidenhead attended, along with an officer.
A car had left the road and was well alight in a hedge.
The firefighters provided immediate emergency care to one woman, injured, who was out of the car when they arrived. They also cared for one man who had suffered minor cuts to his leg while helping the woman out of the car.
The firefighters used two sets of breathing apparatus and one hose reel.
The woman was passed into the care of South Central Ambulance Service.
