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Keystone Launches New BTL Products in Mortgage Market

Keystone Property Finance has launched new BTL products with lower rates and simplified fees, impacting landlords and investors.

By David Sampson
5 July 2026
2 min read
UK buy to let mortgage article image for Keystone Launches New BTL Products in Mortgage Market

TL;DR

  • Keystone s new BTL products are priced 0.15% lower than their core offerings, with rates starting at 3.34%.
  • landlords can benefit from reduced costs and clearer fees.

Written by David Sampson for Mortgage118. Last updated 5 July 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Keystone Property Finance has announced the launch of a streamlined range of buy-to-let (BTL) products, featuring special-edition House in Multiple Occupation (HMO) and Multi-Unit Freehold Block (MUFB) options. This development is significant for landlords and property investors seeking more competitive rates and simplified fee structures in the current mortgage market.

What are the new product offerings?

The newly launched special-edition HMO and MUFB products come with a 15-basis-point reduction compared to Keystone’s core range. Rates for these products begin at 3.34%, making them an attractive option for landlords managing both small and large HMOs valued up to £1.5 million. Additionally, Keystone has simplified its fee structure, offering options of 2.5%, 5%, and 7% across its various ranges, including standard, specialist, expat, and holiday let mortgages.

Why is this change important for the mortgage market?

This move by Keystone reflects a growing trend in the mortgage market towards more competitive pricing and transparency, which can help landlords and investors manage their costs more effectively. With the reduction in rates and clearer fee structures, borrowers may find it easier to navigate their financing options, potentially leading to increased investment in the rental property sector.

What this means for landlords and property investors

Landlords looking to expand their portfolios or refinance existing properties will find Keystone’s new offerings particularly beneficial. The lower starting rates and simplified fees can enhance cash flow and improve overall investment returns. As the market continues to evolve, landlords should keep an eye on similar product innovations that could further impact their financing strategies.

Frequently asked questions

What types of properties do the new products cover?

The new special-edition products cover both small and large HMOs and MUFBs, with a maximum property value of £1.5 million.

How do the fees compare to other lenders?

Keystone’s fees are structured at 2.5%, 5%, and 7%, which may be competitive depending on the specific lender and product offerings in the current mortgage market.

About David Sampson

David Sampson writes about the UK mortgage market for Mortgage118, covering specialist lending, market trends, and practical advice for borrowers. All content is reviewed for accuracy against FCA guidelines and current market data.

Keystone Launches New BTL Products in Mortgage Market | Mortgage118