Case Studies & Articles
Location: Channel Islands
Value: £2,000,000
22nd April 2026
£2M Complex Income Mortgage for Offshore Property at 75% LTVLocation: Guildford, UK
Value: £2,251,200
A complex mortgage is financing designed for borrowers with non-standard financial situations or unique requirements. This might include irregular income, multiple income sources, foreign assets, or purchasing unique property types. These cases often require customised solutions and expert negotiation with lenders.
At Enness, we specialise in securing high-value and complex mortgages, working closely with private banks and specialist lenders. Our expertise has enabled us to arrange multi-million-pound mortgages with loan-to-value (LTV) ratios of up to 85%—and sometimes higher in exceptional cases. With strong relationships across the financial sector, we ensure our clients get the best terms, even for the most challenging scenarios.
High-net-worth individuals often face challenges securing finance due to unique income structures, international earnings, or complex assets. Enness specialises in arranging custom mortgage solutions where traditional lenders fall short. Contact our experts to discuss your requirements.
Complex income refers to earnings that do not follow a traditional structure, making it more challenging for lenders to assess when applying for a mortgage. This can include variable income streams such as bonuses, dividends, freelance earnings, investment returns, or income from multiple business ventures. For high-net-worth individuals, complex income often reflects diverse and sophisticated financial arrangements. While traditional lenders may find it difficult to evaluate this type of income, specialist mortgage providers can offer solutions suited to these unique financial circumstances.
At Enness, a large proportion of our clients are self-employed. Our knowledge in this market is incomparable and experience in handling such cases is unrivalled.
Many of our brokers have accountancy backgrounds, making them extremely proficient in securing your property finance.
At Enness, no problem is too big when it comes to mortgages. Whether your mortgage application is complex or simple, we are fully committed to finding the best deal for our clients, whatever their circumstances.
Yes, in some cases mortgages can be structured using assets or investment portfolios rather than relying solely on traditional employment income. This approach is particularly relevant for high-net-worth individuals whose wealth may be held across property, investments, business interests, or international structures rather than paid as a regular salary.
Specialist lenders may assess overall net worth, liquidity, investment income, or pledged assets when considering affordability. In certain scenarios, financing can also be structured against portfolio-backed lending facilities or wider wealth management relationships, depending on the jurisdiction and lender appetite.
Working with a broker experienced in complex income and wealth structuring helps identify lenders that take a holistic view of financial strength, ensuring the mortgage solution reflects your broader financial position rather than standard income multiples alone.
Complex income mortgages are designed for borrowers whose earnings fall outside standard salaried structures. This includes individuals with multiple income streams, variable earnings, or non-traditional compensation, where conventional lenders may struggle to assess affordability.
Typical scenarios include:
Rather than relying on fixed salary multiples, complex income mortgages are underwritten using a broader assessment of the borrower’s financial position. This can include reviewing company accounts, investment income, asset holdings, and forward-looking earnings.
For high-net-worth clients, this approach allows lenders to structure facilities that reflect the true strength of their balance sheet, rather than applying rigid criteria that may not capture the full picture.
Enness arranges complex income mortgages through a network of specialist lenders and private banks, structuring finance for clients with non-standard income profiles across both domestic and international transactions.
Complex mortgages are typically required by borrowers whose financial profiles fall outside standard lending criteria. This often includes individuals with multiple income streams, international assets, or ownership structures that require a more tailored approach to underwriting.
Common scenarios include:
Rather than applying rigid income multiples, complex mortgage lending focuses on the borrower’s overall financial position, allowing for greater flexibility in how income and assets are assessed.
A mortgage is typically considered complex when a borrower’s financial profile, ownership structure, or the property itself falls outside standard lending criteria. In these cases, traditional lenders may struggle to assess risk using conventional methods, requiring a more tailored underwriting approach.
Common factors that contribute to complex mortgage cases include:
Complex buy-to-let mortgages are designed for investors with portfolios, non-standard ownership structures, or income profiles that fall outside typical lending criteria. These cases often require a more detailed assessment of both the borrower and the underlying assets.
Common scenarios include:
In these cases, lending is typically structured based on both the strength of the rental income and the borrower’s wider financial position, rather than relying solely on standard affordability models.
Enness arranges complex buy-to-let mortgages through a network of specialist lenders, structuring facilities for portfolio acquisitions, refinancing, and expansion across the UK and international markets.
Mortgages for complex ownership structures are designed for borrowers whose income and assets are held across multiple entities, rather than through straightforward personal income. These cases often require a detailed understanding of how value flows through companies, partnerships, or trusts.
Common scenarios include:
In these situations, lenders typically require a more detailed assessment of company accounts, ownership structures, and the relationship between entities. Affordability is assessed holistically, rather than relying on standard income multiples.
Enness arranges mortgages for complex ownership structures by working with specialist lenders and private banks, structuring finance to reflect the full scope of a client’s assets, income, and corporate arrangements.
Rates and loan-to-value ratios for complex mortgages vary depending on how a borrower’s income, assets, and overall financial profile are structured. Unlike standard mortgages, pricing is not based on a single income multiple, but on a broader assessment of risk and complexity.
As a general guide:
For more complex cases, specialist lenders and private banks take a flexible approach, structuring terms to reflect the full financial picture rather than relying solely on standard affordability models.
Enness works with a global network of lenders to source competitive rates and structure complex mortgages that align with each client’s financial profile and objectives.
Traditional lenders rely on standardised underwriting models designed for straightforward income and ownership structures. When a borrower’s financial profile falls outside these parameters, applications can be declined, even where overall wealth and affordability are strong.
Common reasons include:
For borrowers with complex financial profiles, this often means that standard routes are not suitable. Specialist lenders and private banks take a more flexible approach, assessing each case on its individual merits rather than applying rigid criteria.
Securing a complex mortgage typically requires a more structured approach than a standard application. Rather than relying on automated affordability checks, the process involves presenting a clear and comprehensive view of your income, assets, and overall financial position.
In most cases, borrowers work with a specialist mortgage broker or advisor to access lenders experienced in complex underwriting. These lenders assess applications on a case-by-case basis, allowing for greater flexibility where income or ownership structures are non-standard.
The process generally involves:
Working with an experienced complex mortgage broker ensures the application is positioned correctly from the outset, improving both the likelihood of approval and the terms achieved.
Enness arranges complex mortgages through a global network of specialist lenders and private banks, structuring each transaction to reflect the full scope of a client’s financial profile.
Complex mortgage cases often require a level of structuring and lender access that goes beyond standard high street criteria. Working with a specialist broker allows borrowers to present their financial position in a way that reflects the full scope of their income, assets, and ownership structures.
Key advantages include:
For high-net-worth borrowers, this approach enables access to financing that would not typically be available through standard channels.
Enness works with a global network of lenders and private banks to structure complex mortgages, ensuring each case is positioned appropriately to achieve the most favourable terms.
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