Paragon Banking Group said it boosted total new lending and investment volumes by 24% in its fiscal first quarter to £469.8m.
Mortgage volumes grew by 84% to £198.8m, while commercial lending volumes grew by 21% to £85.5m
"We have made excellent progress during the first quarter," chief executive Nigel Terrington said.
"The lending growth achieved across the group has been outstanding and reflects the increasing strength of the franchise."
"Our retail deposit base continues to deepen, providing us with a stable platform for growth and the ability to optimise further the group's funding structure."