Despite this, the Principality was able to claim to be “the largest by far in Wales and the West of England” when it gave evidence to a House of Commons Committee in 1893.

It was not until the 1930s that the society appeared to make any significant move away from Cardiff, when branches were opened in Swansea and Barry in 1934.

Given the boom in private housing and the subsequent impact of inflation, the society’s asset growth remained modest – from £2m in 1932 to £3m in 1947.

[4] Principality acquired Parkhurst and Peter Alan estate agents in 1987, and the merged entity was later sold to Connells Group for £16.4m in 2014.

[5] A site for a new head office to accommodate the expanding business was acquired in 1989 and Principality House in The Friary was opened in 1992.

[6][7] In 2003, the sales and marketing director at the time, Bill Mayne considered rebranding the image and name of the building society, in an interview he said; "We are looking to update the look and feel of our brand communications and branch environments to reflect what our brand is about.

On 8 September 2015, Principality Building Society announced that they had purchased the naming rights to the Millennium Stadium in a 10-year deal.