... Building Society's (PBS's) ratings primarily reflect its narrow franchise concentrated in UK residential mortgages. It remains a price-taker, which, combined with its smaller size relative to other building societies, constrains its ability to defend business volumes against competitive pressures and generate earnings in line with peers. The Viability Rating (VR) also reflects PBS's healthy asset quality, strong capitalisation and sound funding and liquidity profile. Building society regulations constrain PBS's ability to diversify its business model, with revenue almost entirely consisting of net interest income. Nevertheless, the society's focus on low-risk mortgage lending underpins the stability of its business model. Conservative Risk Profile: PBS's risk profile is primarily dominated by credit risk, in Fitch Ratings' view. We consider its underwriting standards for mortgage loans as conservative and broadly consistent with peers,...
