Principality Building Society will update its mortgage range from tomorrow, 20th May 2026, at 9am with the current range removed at 5pm today, 19th May 2026.
The new range will see rate decreases on buy-to-let (BTL) products, including a 5-year fixed 70% loan-to-value (LTV) product cut by 0.05% with an increased £895 product fee and another 5-year fixed 70% LTV product cut by 0.10% with a £6000 product fee.
There will be rate increases on residential products.
2-year fixed 65%, 75%, 80%, 85% and 90% LTV products will rise by 0.02% and 5-year fixed products at the same LTVs will rise by 0.11%.
These changes also apply to CIS 6-month and 1-year self-employed products.
Residential products with cashback will also see rate increases of 0.02% for 2-year fixed and 0.11% for 5-year fixed at 65%, 75%, 80%, 85% and 90% LTV.
Tracker products will increase by 0.10% for 2-year fixed at 65%, 75%, 80%, 85% and 90% LTV.
New build rates will rise for Help to Buy Wales and shared ownership products, with 2-year fixed at 75% LTV up by 0.02% and 5-year fixed at 75% LTV up by 0.11%.
Shared ownership products at 95% LTV will also increase by 0.02% for 2-year fixed and by 0.11% for 5-year fixed.
Joint borrower sole proprietor products will increase by 0.02% for 2-year fixed at 75%, 80%, 85% and 90% LTV and by 0.11% for 5-year fixed at the same LTVs.
BTL products will increase by up to 0.11% for 5-year fixed at 60% LTV and for 5-year fixed 70% LTV with a £1395 product fee.
Holiday let products will increase by up to 0.02% for 2-year fixed at 60% LTV and up to 0.11% for 5-year fixed at 60% LTV.
Principality Building Society will withdraw the 2-year fixed 60% LTV BTL product with £8000 product fee and 2-year fixed 70% and 75% LTV products with £10,000 product fee.

