Stock indices traded lower on a drop in oil prices below $30 a barrel. Concerns over the global oil oversupply weigh on oil prices.

Meanwhile, the economic data from the Eurozone was positive. Eurostat released its trade data for the Eurozone on Friday. Eurozone's adjusted trade surplus rose to €22.7 billion in November from €19.8 billion in October.

Exports rose at an adjusted 1.6% in November, while imports decreased 0.1%.

Eurozone's unadjusted trade surplus fell to €23.6 billion in November from €24.1 billion in October.

Exports rose at an unadjusted annual rate of 6.0% in November, while imports increased 5.0%.

The Office for National Statistics (ONS) released its construction output data for the U.K. on Friday. Construction output in the U.K. declined 0.5% in November, after a 0.2% rise in October.

The decline was driven by a drop in infrastructure, which plunged 4.3% in November.

On a yearly basis, construction output decreased 1.1% in November, after a 1.0% rise in October. It was the biggest decline since May 2013.

Indexes on the close:

Name Price Change Change %

FTSE 100 5,804.1 -114.13 -1.93 %

DAX 9,545.27 -248.93 -2.54 %

CAC 40 4,210.16 -102.73 -2.38 %