The U.K.'s trade deficit widened to £8.58 billion in the second quarter from £3.84 billion in the previous quarter, primarily due to a decline in exports of cars and aircraft and higher imports of unspecified goods.

The country's trade deficit with EU countries increased by £2.6 billion as imports increased. The trade deficit with non-EU countries widened by £2.9 billion due to a decline in exports, the Office for National Statistics said.

On a monthly basis, the trade deficit narrowed to £1.86 billion in June from £3.14 billion in May due to a larger services surplus and a decrease in the goods trade deficit. The goods deficit fell to £11.38 billion in June from £12.53 billion in the previous month. The services trade surplus increased slightly to £9.52 billion from £9.39 billion.