The changed rates come into effect on Wednesday 16 October.
This is its fourth securitisation under the Twin Bridges platform since its inception in 2017.
The figures seen in August for first-time buyer mortgages represents a year-on-year increase of 0.7%.
The firm has launched a regulated and non-regulated referral service across a number of specialist areas.
One in 20 landlords cited Brexit as a concern.
A government consultation into scrapping section 21 has now closed.
The deals bring over 8,000 clients into the group.
The reductions will be available across a selection of LTVs and cover two, three and five year products.
The number of homes let by accidental landlords is at its lowest level in five years.
All products are available up to 75% LTV with a maximum loan size of £750,000.