Highlights in the new range include a 2-year fixed rate at 1.90% which is available for landlords buying a new property who require 75% LTV.
And a fifth (21%) of millennials said Brexit will stop them being able to buy their first home or get a mortgage in the next two years.
Building society customers value the skills and knowledge of staff and manual approach to underwriting in particular.
The £18.8bn of remortgaging in the year was 8.3% more than in 2017.
The average adviser now has more than one in five clients (21%) who are self-employed and 57% said self-employed clients are a potential major growth area.
In Q4 Together grew monthly loan originations by 24.9% to £171.7m, compared to the same quarter last year. The group delivered profit before tax of £31.2m and cash receipts to £363.0m for the quarter.
These increased by 3.1%, 2.3%, and 5.8% respectively meaning the month-on-month series for construction output rose by 0.6%, resulting in the total value of construction output exceeding £14bn for the first time since monthly records began in 2010.
One is a 3-year fixed at 3.19%, the other a 3-year discount at 2.44%. The products are designed for those who have at least a 15% deposit of the share they are buying and can be used to purchase new build properties; both houses and flats. The 3-year fixed is also application fee free.
The average house price within UK cities has risen from £180,548 in 2013 to its highest ever level of £248,233 in 2018.
For customers wanting to fix over three years, the rate is 3.64%, up to 95% LTV with £1,250 cashback offered.