The two and 5-year fixed rates can be used to support customers purchasing a home or remortgaging for a cheaper deal.
The products in the range are available to first-time buyers, home movers and remortgage customers.
360 Dotnet intermediaries will be able to receive instant decisions from multiple lenders at once, without needing to rekey customer data.
Principality Building Society has partnered with Iress for its MSO (Mortgage Sales and Origination) software.
The products come with seven and 10-year fixed term options and are available on purchases up to £400,000.
CFI Chat will be operated by advisors, not a bot, and phone lines remain open to brokers.
The Society has also introduced 90% loan-to-value (LTV) lending within LA Postcodes.
The Flexible Family Assist Mortgage enables first and second time buyers to borrow up to 99% of the purchase price or property value (whichever is lower).
The 2020 Renovation Nation Report from the mortgage comparison site found that garden upgrades (34%) top a list for the most popular lockdown renovation projects.
A further 14% of these workers have less than £2,000 in savings, highlighting an alarming lack of any financial buffer and making them vulnerable to financial shocks.