Mortgage Advice Bureau (MAB) has widened its market share from 5.4% to 6% year-on-year in H1, as lending completions increase 17% to £14.2bn. It completed £11.1bn in new lending completions, up 23% on the year before, expanding its new business market share slightly from 8.2% to 8.3%. Increase in purchase activityMAB said purchase completions accounted for 54% of lending in H1, up from 47% the year before, while the share of refinancing contracted from 53% to 46%. The value of purchase completions increased by 35% to £7.7bn, while its market share stayed stable at 8.6%. The value of product transfer completions remained flat at £3.1bn, while market share grew from 2.7% to 3%.