In initial deals, the British capital's benchmark FTSE 100 index inched up 0.2 percent to 7,294.65 points, compared with the closing level on Friday.
In the eurozone, Frankfurt's DAX 30 also added 0.2 percent to 12,100.39 points and the Paris CAC 40 advanced 0.1 percent to 5,343.30 compared with Monday's close.