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Mortgage Solutions4 June 2026Medium risk

How New Green Buy-to-Let Mortgage Deals from Fleet and Paragon Impact London Landlords

Fleet Mortgages has relaunched fixed-rate buy-to-let deals for EPC A-C properties aligned with Green Home Finance Principles, while Paragon Bank has cut rates across its BTL range, including green mortgages. This article explains why these developments matter, how landlords can assess and improve EPC ratings, and practical steps to benefit from preferential financing amid tightening regulations and economic challenges.

London landlordsgreen mortgagesbuy-to-letFleet MortgagesParagon BankEPC ratings
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Why the new green mortgage deals from Fleet and Paragon matter to London landlords

Fleet Mortgages has reintroduced two- and five-year fixed-rate buy-to-let (BTL) mortgage deals specifically for properties with Energy Performance Certificate (EPC) ratings of A to C. These deals come with lower interest rates and align with the Green Home Finance Principles, a voluntary industry framework promoting energy-efficient home improvements. Paragon Bank has also cut rates across its BTL mortgage range, including its green mortgage products that favour energy-efficient properties.

For London landlords, these developments are significant for several reasons. First, they provide a financial incentive to improve the energy efficiency of rental properties at a time when Minimum Energy Efficiency Standards (MEES) regulations are tightening and tenant demand for greener homes is rising. Second, lower mortgage rates reduce holding costs, improving net yields and cashflow in an environment of rising interest rates and inflation.

Understanding the practical implications for your portfolio

To benefit from these new products, landlords must ensure their rental properties have an EPC rating of A, B, or C. Currently, many London properties fall into the D or E categories, so upgrading to C or above may require investment in insulation, heating systems, windows, or renewable technologies.

Risk and compliance: MEES regulations currently require rental properties in England and Wales to have a minimum EPC rating of E, with plans to raise this to C by 2025 for new tenancies and by 2028 for all tenancies. Aligning mortgage financing criteria with these standards helps landlords stay ahead of compliance deadlines, reducing the risk of enforcement penalties.

Financial impact: Fleet’s new deals offer lower fixed rates specifically for EPC A-C properties, while Paragon’s rate cuts across their BTL range, including green mortgages, enhance affordability. However, landlords should carefully review fee structures, as arrangement fees and valuation costs may offset some savings. Comparing the total cost of borrowing remains essential.

Different landlord profiles:

  • Single-unit landlords with older or less efficient properties may find upgrading EPC ratings cost-prohibitive unless rental income can justify the investment.
  • HMO and portfolio landlords stand to gain the most by prioritising energy efficiency improvements across multiple units, unlocking better financing and potentially higher tenant demand.
  • Accidental landlords should seek advice on whether property upgrades and refinancing make financial sense given their broader investment goals.

Steps to take now to capitalise on these mortgage opportunities

  1. Audit your portfolio’s EPC ratings: Obtain or update EPC certificates for all rental properties. Landlords can benchmark their current EPC distribution against their local market by consulting local authority data or industry reports.

  2. Identify upgrade opportunities: Engage accredited energy assessors or surveyors to recommend cost-effective measures to reach EPC C or above. Consider available government grants or schemes that might offset upgrade costs.

  3. Consult specialist mortgage advisers: Discuss the new Fleet Mortgages and Paragon Bank deals tailored for energy-efficient properties. Mortgage brokers can also help compare products, fees, and eligibility criteria.

  4. Plan improvements aligned with Green Home Finance Principles: These principles encourage transparency and consumer protection in green finance, so planning upgrades accordingly can unlock cashback incentives and future-proof your portfolio.

  5. Schedule regular reviews: Monitor evolving mortgage product offerings and regulatory changes to maintain a competitive and compliant financing strategy.

How Rentals & Sales can support your green mortgage strategy

Our landlord intelligence hub offers tailored portfolio reviews and compliance audits to identify EPC upgrade priorities and cost-saving opportunities. We also provide mortgage product comparisons and pricing strategy consultations to help you secure the best financing terms. Contact us to schedule a consultation and ensure your portfolio benefits fully from the latest green mortgage deals.


Compliance Note: This article is for informational purposes only and does not constitute financial advice. Landlords should consult qualified mortgage advisers and compliance professionals before making financing decisions.

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