Santander has increased its maximum loan amount from £1m to £3m.
At the same time, the bank is reintroducing 75 per cent loan to value (LTV) buy-to-let mortgages.
Helen Harrison, head of intermediary distribution at Santander for Intermediaries said: “We are pleased to have remained open for business during the Covid-19 pandemic, progressing 70 per cent of mortgage applications using automated valuation models (AVM).