London's benchmark FTSE 100 index gained 0.5 percent to 7,071.59 points. The index had finished slightly higher Thursday, as a sliding pound boosted share prices of multinationals.

Meanwhile in the eurozone Friday, Frankfurt's DAX 30 added 0.1 percent to 11,425.80 points at the open and the Paris CAC 40 was up 0.7 percent to 5,068.64.

Sterling was up 0.4 percent at $1.2822, while one euro was worth 88.61 pence.

British Prime Minister Theresa May was Friday battling on to salvage a draft Brexit deal and her political future after a series of government resignations rattled sterling.