Royal London saw its protection intermediary new business volumes increase by 43% to £231m, the insurer's half year results have revealed.
New business volumes for Royal London's consumer protection, offering rose 207%, to £83m comapred with the first half of 2014, with growth attributed new products.
Application levels from protection intermediaries from Royal London were up 53% compared to the same period in 2014.
Across the whole life and pensions business, the Present value of new business premiums rose 34% to £3,032m.
The margin for new insurance business rose from 1.1% in the first half of 2014 to 2% in the first half of 2015.
European Embedded Value operating profit before exceptional items rose by 5%, with new business profits up 86% to £65m.
Phil Loney, group chief executive of Royal London, said: "We are pleased to be reporting a strong set of new business results and robust operating profits for the first half of 2015.
"The protection division has made strong improvements, with new business figures up 43% compared to the same period last year.
"This demonstrates that our strategy of refining the intermediary protection proposition to meet the real needs of customers and investing in technology is beginning to pay off."