2 years guarantee included. You pay £549 for the camera and claim back £200 from Panasonic before 09/1/2017. Cashback offer has just recently been increased from £100 to £200.
Other Panasonic cameras also qualify for the cashback offer, deal also available from other select retailers (i.e Currys/PC world, Wilkinson etc). Was looking at Amazon, but cashback not available, purchasing through them.
Seems like a great deal for £349.
Note: If your searching the internet for reviews regarding this camera, I would suggest also searching for model GX85 (Same camera, just named differently in America, as stated by brilly)