One appliance and crew from Gerrards Cross, one from Slough, one from High Wycombe, along with an officer attended.
A garage and log cabin were involved in the fire on arrival.
The firefighters used four sets of breathing apparatus, two hose reel jets, a positive pressure ventilation fan, small gear and hydraulic cutting equipment.
The garage was approximately 50 percent damaged by fire and 100 percent damaged by smoke.
The log cabin was approximately 90 percent damaged by fire.
The crew reinspected the property in the evening to check for hot spots.
