Specialists
High net worth mortgages explained, including the FCA HNW exemption, large mortgage loans, private banks, interest-only options and complex income cases.
Speak to a Mortgage Lane adviser about your options.
In short
A high net worth mortgage is a mortgage designed for borrowers with substantial income or assets, where lending is assessed on the borrower’s overall wealth rather than standard income multiples alone.
High net worth mortgages must be structured correctly from the start to avoid declined applications, unsuitable affordability assessments, or lending that fails to reflect the borrower’s true financial position. Unlike standard residential lending, high net worth (HNW) mortgage cases depend on factors such as income complexity, asset composition, currency exposure, ownership structure, and whether the Financial Conduct Authority (FCA) high net worth exemption applies.
We arrange high net worth mortgages for borrowers with complex income, substantial assets, or large mortgage requirements, working across mainstream lenders, specialist lenders, and private banks. Our service supports UK residents, expats, and foreign nationals, whether purchasing in a personal name, through a limited company, or via a trust structure.
| Feature | Detail |
|---|---|
| Product fee | Between £0-£995 |
| Type | Residential |
| Rates | From 4.59% |
| Criteria | Detail |
|---|---|
| Borrowers | Personal, Ltd co, LLP, Trusts |
| Residency | UK residents, expats, foreign nationals |
| Repayment type | Interest only, repayment, part and part |
| Term | Up to 40 years |
| Minimum loan size | £50,000 |
| Max Loan to Value (LTV) | Up to 95% LTV |
| Income types | Salary, bonus, dividends, carried interest, vested stock, investment income, rental income |
| Foreign currency income | Yes |
| Affordability basis | Income multiples, assets-based underwriting, or blended |
| Assets under management (AUM) requirement | Varies by private bank |
| Locations | England, Wales, Scotland & Northern Ireland |
We assist a wide range of high net worth borrowers, from senior professionals with large bonus-led incomes to entrepreneurs, investors, and internationally based clients. Every HNW mortgage case is different: some involve straightforward large mortgage loans against a main residence, while others involve complex income, multi-currency assets, trust or company ownership, or lending secured against investment portfolios. Below we explain the main variations of high net worth mortgage you may come across.
A large mortgage loan is a mortgage that exceeds the maximum loan size offered by most mainstream lenders, typically requiring a specialist large loan team or a private bank. Large mortgages are assessed with greater flexibility than standard residential loans, because the borrower’s wider wealth, liquidity, and asset base can be taken into account alongside income.
Read more about Large mortgage loansGet in touch about Large mortgage loans
Private banks are a core source of high net worth mortgage lending in the United Kingdom, particularly for large mortgage loans, complex income, and internationally connected borrowers. Private bank mortgages are individually underwritten, and terms are negotiated case by case rather than drawn from a fixed product range.
Read more about Private bank mortgagesGet in touch about Private bank mortgages
High net worth mortgages are available to British expats and foreign nationals purchasing or refinancing UK property, subject to lender criteria on residency, visa status, and source of funds. International HNW cases are typically served by private banks and specialist lenders with international underwriting capability.
Read more about Expat and foreign national high net worth mortgagesGet in touch about Expat and foreign national high net worth mortgages
A high net worth mortgage broker specialises in presenting complex wealth to lenders in the way each lender assesses it, comparing mainstream large loan desks, specialist lenders, and private banks across the whole market.
Read more about Working with a high net worth mortgage brokerGet in touch about Working with a high net worth mortgage broker
Interest-only borrowing is widely available to high net worth borrowers, because lenders can rely on credible repayment strategies such as investment portfolios, sale of other assets, business sale proceeds, or future liquidity events. An interest-only high net worth mortgage keeps monthly payments lower and preserves capital for investment elsewhere.
Read more about Interest-only high net worth mortgagesGet in touch about Interest-only high net worth mortgages
Many high net worth borrowers have income that does not fit standard affordability models, such as substantial discretionary bonuses, partnership profit shares, carried interest, vested and unvested stock awards, dividends from personal companies, or income drawn from trusts.
Read more about High net worth mortgages for complex incomeGet in touch about High net worth mortgages for complex income
High net worth borrowers frequently hold or purchase property through limited companies, limited liability partnerships (LLPs), or trust structures, whether for privacy, succession planning, or tax reasons agreed with their professional advisers.
Read more about High net worth mortgages through companies and trustsGet in touch about High net worth mortgages through companies and trusts
01
The first stage of your high net worth mortgage application involves gathering key information before a suitable recommendation can be made. This includes the property details, loan size required, income composition, asset position, ownership structure, repayment preference, and any currency or residency considerations.
02
Once you are satisfied with the recommended lender and confirm you wish to proceed, the case is presented for a decision or, for private banks, an indicative terms letter. Up to this point there is typically nothing to pay. Once the Agreement in Principle (AIP) or credit-backed terms are approved, the case can progress to full application, at which stage lender fees become payable.
03
Once the application is submitted, the valuation is instructed. High-value properties may require specialist valuers with experience of prime and super-prime property. Once the valuation is returned and underwriting is complete, the lender will issue a formal mortgage offer, allowing the case to progress to the legal stage.
04
Once your high net worth mortgage offer has been issued, legal advice will be required, and on larger or structured transactions the lender may require specific legal representation. Your broker at Mortgage Lane will continue to monitor the application post-offer, liaising with all parties and progressing matters through to completion.
TRY OUR LARGE MORTGAGE CALCULATOR
We assist borrowers in securing high net worth mortgage products suited to their income structure, asset base, and ownership arrangements. Below we explain the main assessment approaches used in HNW lending, because the assessment basis chosen has a direct effect on the loan size achievable.
The high net worth mortgage exemption allows lenders to apply a tailored approach to certain conduct rules for qualifying borrowers. Under the Mortgages and Home Finance: Conduct of Business sourcebook (MCOB), a high net worth mortgage customer is a borrower with an annual net income of not less than £300,000 or net assets of not less than £3 million, evidenced in the manner the rules prescribe.
Where the exemption applies, lenders can take a more flexible view of affordability than the standard responsible lending framework, reflecting the reality that wealthy borrowers may have modest declared income but substantial liquid assets. The exemption does not remove consumer protection; the lending remains regulated, and the borrower must confirm in writing that they understand the consequences of being treated as a high net worth mortgage customer.
Not every lender uses the exemption, and those that do apply their own internal policies on top of it. Identifying which lenders will apply the exemption to a given case is a core part of the broker’s role.
Assets-based underwriting assesses lending capacity against the borrower’s realisable wealth rather than income alone. A lender may, for example, consider an investment portfolio, other property equity, or business value as the primary support for the loan, with income playing a secondary role.
Blended approaches are common in practice: a private bank might combine a multiple of sustainable income with a percentage of liquid assets to arrive at a bespoke lending figure. Because each institution weights income and assets differently, the same borrower can receive materially different maximum loans from different lenders.
Securities-backed lending, often called Lombard lending, is credit secured against an investment portfolio rather than, or alongside, property. High net worth borrowers sometimes use Lombard facilities to fund deposits, bridge timing gaps, or avoid selling investments, with the property mortgage structured around the facility.
Lombard lending carries its own risks, including margin calls if portfolio values fall, and should be considered with both mortgage and investment advice. We can structure property lending alongside securities-backed facilities where appropriate lenders are involved.
A high net worth mortgage is a mortgage for borrowers with substantial income or assets, assessed on overall wealth rather than standard income multiples alone. High net worth (HNW) mortgages are commonly used for large loans, interest-only borrowing, and complex income, and are offered by specialist lenders and private banks.
The high-net-worth mortgage exemption is a Financial Conduct Authority (FCA) rule that allows lenders to apply more flexible underwriting for borrowers who meet defined income or asset thresholds. It enables private banks and specialist lenders to lend against overall wealth rather than standard affordability calculations.
Yes, high net worth mortgages on a borrower's home are regulated by the Financial Conduct Authority (FCA). The high net worth exemption tailors certain conduct rules but does not remove regulation. Buy-to-let lending to high net worth borrowers is usually unregulated unless it meets consumer buy-to-let criteria.
Private banks offer flexible, individually negotiated high net worth mortgages, but they are not always the most competitive option. Some require assets under management (AUM) as a lending condition, which affects true cost. Comparing private banks against mainstream large loan desks and specialist lenders is essential.
Yes, specialist lenders and private banks can assess bonus income, carried interest, vested stock, dividends, and partnership profits. Lenders may average variable income over several years or recognise vesting schedules. Clear documentation of each income source is essential to achieving full recognition in the affordability assessment.
A high net worth mortgage customer is defined by the Financial Conduct Authority (FCA) as a borrower with an annual net income of at least £300,000 or net assets of at least £3 million. The definition sits within the Mortgages and Home Finance: Conduct of Business sourcebook (MCOB) and must be evidenced.
A large mortgage is a loan exceeding the maximum size offered by most mainstream lenders, usually handled by a specialist large loan team or a private bank. Large mortgages are manually underwritten, meaning the borrower's full income, assets, and liquidity are assessed individually rather than through automated income multiples.
Yes, interest-only high net worth mortgages are widely available. Lenders accept credible repayment strategies such as investment portfolios, sale of other assets, or future liquidity events. Part-and-part structures combining interest-only and repayment elements are also available where a lender caps the interest-only portion.
Some private banks require borrowers to place assets under management (AUM) with the bank as a condition of a mortgage, while others lend with no AUM requirement. The size and terms of any AUM condition vary by bank and should be compared alongside the interest rate.
Yes, foreign nationals can obtain high net worth mortgages on UK property, subject to lender criteria on residency, visa status, and source of funds. International cases are typically served by private banks and specialist lenders, with enhanced anti-money-laundering and source-of-wealth checks applied.
Not necessarily. High net worth mortgage pricing is often negotiated individually, and strong asset positions can secure competitive terms. However, complex structures, offshore ownership, or unusual properties can increase pricing. Any assets under management requirement should be factored into the true overall cost.
Yes, British expats can obtain high net worth mortgages on UK property. Lenders will consider the borrower's country of residence, currency of income, and employment or business structure. Foreign currency income is subject to exchange-rate risk rules introduced under the Mortgage Credit Directive (MCD).
Yes, buying the freehold of a high-value block can be financed, whether through collective enfranchisement with other leaseholders or as an investment purchase. Collective enfranchisement is the statutory right of qualifying leaseholders to buy their building's freehold together. Lenders assess the ground rent income, lease lengths, and the building's condition when agreeing terms.
Yes, private islands can be financed, usually through private banks, specialist lenders, or bespoke asset-backed lending rather than a standard mortgage. Lenders assess a private island on access, services, planning status, and resale prospects, all of which affect lending appetite. Some buyers instead borrow against other assets, such as investment portfolios or existing property.
Yes, £2 million buy-to-let mortgages on a single property are available from specialist lenders, large loan teams, and private banks, although most mainstream buy-to-let lenders cap loans below this level. The rental income must satisfy the lender's interest coverage ratio (ICR), and lenders may also assess the landlord's wider income, assets, and experience.
High net worth mortgages are available to British expats and foreign nationals purchasing or refinancing UK property, subject to lender criteria on residency, visa status, and source of funds. International HNW cases are typically served by private banks and specialist lenders with international underwriting capability.
Detailed explanations and criteria for High Net Worth Mortgages.
Many high net worth borrowers have income that does not fit standard affordability models, such as substantial discretionary bonuses, partnership profit shares, carried interest, vested and unvested stock awards, dividends from personal companies, or income drawn from trusts.
Let’s talk property finance
Your enquiry goes to our team, who will get in touch to discuss your next steps.
