Keystone Finance

How to register with this lender as a new user

For access to our buy to let rates you can register online here:

Alternatively, you can manually fill in the broker registration form and email it through to the address at the top of the form: (718kb)

If your brokerage is directly authorised you will need to complete the Intermediary agreement and email it through to Keystone

How to add Mortgage Club as a payment route with this lender

Upon registering you will be asked to enter the information for your Network or Mortgage Club.

How to contact this lender

For case enquiries please contact our Business Development Managers via phone, email, or online chat.  

📞 0345 148 9086



Telephone lines and online chat are open between 8:30am – 5:30pm.

Calls may be monitored or recorded for training purposes.

Who we are

Keystone Property Finance is a specialist buy to let lender for the intermediary market only. We are known as one of the go-to lenders for brokers who have complex landlord clients that are looking to finance standard and specialist BTL properties.

What we do

The highly experienced team of business managers are available to assist brokers to place their clients complex buy to let cases, including higher yielding properties such as HMOs & multi-unit freeholds and multi layered company structures. We use a cloud-based AIP and application system which is available 24/7 and so enables brokers to transact their cases quickly and efficiently.

Keystone provides solutions and funding for:

  • HMOs up to 15 beds
  • Multi-units up to 15 flats
  • High-rise flats 
  • Flats above commercial
  • Studio flats - min 30sqm
  • Ex-Local Authority properties
  • Students as tenants
  • Multi-let (no HMO licence required)
  • Universal Credit Tenants
  • Minimum property value - £75K

View our website to find out more about our lending criteria and product range.

Fee received from lender
(Gross fee)
We'll pay you
(Net fee)
All products0.8%0.7%
Product Transfer0.450%0.400%