What age rating is Skyrim for bbfc?

It is rated '15' by the BBFC.

It is the 5th installment in The Elder Scrolls series.

Unlike the ratings from the ESRB in North America, which are only advisory, the BBFC ratings are enforceable by law, and UK retailers may face hefty fines if they sell to anyone under the age of 15.

According to the BBFC the rating is because of the "strong violence" the game contains.

It is for a PC but we can be sure it will be the same for both 360 and ps3.