Amigo lends to those with a poor credit rating, but is also known for its guarantor loan offering.
This represents the fifteenth consecutive month of double-digit new business volumes growth.
Rent increases have steadily risen from 2017.
The facility will be used to fund the purchase and development of a 198-bed PBSA scheme in Edinburgh.
The deal was put in place in ten days.
The new products are available on a 2-year discounted rate and come with a free basic valuation.
The product is available to Norton's intermediaries with immediate effect.
The annual gross mortgage lending total for 2019 was £265.8bn.
The changes are available to the whole of the market immediately.
Tom Wright joins from Persimmon.