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As a portfolio landlord with 4 or more buy-to-let properties, you need specialist mortgage expertise. Standard high-street lenders or even many buy to let mortgage brokers often can’t handle the complexity of portfolio financing, and their criteria or experience can limit your growth.
At Acorn.Finance, we’ve spent 28 years helping portfolio landlords like you secure competitive finance across their property portfolios. With whole-of-market access to specialist portfolio lenders, we can structure mortgages that work for your investment strategy—whether you’re expanding, refinancing, or optimising your existing portfolio.
Portfolio landlords typically own 7-8 properties worth £1.7m, generating substantial rental income but facing unique challenges when it comes to mortgage finance. We understand these challenges and have the lender relationships to solve them.
Ready to grow your portfolio? We’ll secure finance for your next acquisitions.
Optimise your existing portfolio with better rates and terms.
Free review of your current portfolio structure and opportunities.
Specialist support for challenging portfolio scenarios.
Specialist mortgages for House in Multiple Occupation portfolios.
Tax-efficient portfolio structuring through limited companies.
Client: Experienced landlord with 12 BTL properties across the Midlands, mortgages with 4 different lenders, all coming up for renewal.
Challenge: Rising interest rates meant monthly payments were set to increase by £2,400/month. Client wanted to consolidate and reduce costs.
Solution: We refinanced the entire portfolio with two specialist portfolio lenders, negotiating better rates and optimising LTVs to release £85,000 equity.
Explore our full range of property investment finance solutions
Starting your landlord journey? First BTL mortgage finance with competitive rates and expert guidance.
Finance for commercial investment properties, owner-occupied premises, and mixed-use buildings.
Staged release funding for property refurbishment projects and light development work.
Short-term finance for auction purchases, chain breaks, and uninhabitable properties. Decisions in 48 hours.
Specialist finance for Houses in Multiple Occupation. Higher yields, expert structuring.
Tax-efficient property investment through SPVs. Section 24 mitigation and portfolio structuring.
A portfolio landlord is defined as someone who owns 4 or more mortgaged buy-to-let properties, either individually or within a limited company structure. This classification came into effect in 2017 following regulatory changes, and it means you need to work with lenders who specialise in portfolio finance.
Borrowing capacity depends on your rental income across the portfolio, personal income, existing commitments, and the lender’s stress test calculations. Portfolio specialist lenders typically offer more favourable calculations than high-street banks. Most lenders will lend 75% LTV on individual properties, with some offering up to 80% for experienced landlords with strong portfolios.
Lenders stress test rental income to ensure you can afford mortgages even if interest rates rise. They typically calculate at 5.5-6% interest rate with 125% rental coverage required. Portfolio specialist lenders often have better stress test calculations, allowing you to borrow more.
Limited company structures offer tax advantages for higher-rate taxpayers, particularly after Section 24 tax changes. However, the decision depends on your personal circumstances, exit strategy, and existing portfolio structure. We can connect you with tax advisors to help determine the best approach for your situation.
Yes. We work with specialist lenders who consider portfolio landlords with past credit issues, including CCJs, defaults, or even previous bankruptcy. The strength of your portfolio, rental income, and experience as a landlord can often outweigh historic credit problems.
Timeline varies based on complexity. A straightforward single-property addition to an existing portfolio can complete in 3-4 weeks. Full portfolio refinancing across multiple properties typically takes 6-10 weeks. We fast-track where possible, particularly for time-sensitive acquisitions.
Portfolio mortgages involve more detailed underwriting, assessing your entire portfolio’s performance rather than just the individual property. Lenders look at total rental coverage, portfolio diversity, your experience level, and overall risk profile. This requires specialist lenders who understand portfolio dynamics.
Yes, many portfolio landlords have mixed portfolios. We can structure finance across both residential BTL and commercial investment properties, working with lenders who understand this complexity.
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Not all financial products we arrange are regulated by the Financial Conduct Authority. For more information discuss with your broker or contact us.
We are a UK-based brokerage established in 1997 and are not affiliated with any other entity trading as Acorn Finance in the US or historically in the UK.