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JackCousinsMortgages · Finance · Protection · Consultancy
Mortgage services

Ultra-high-net-worth mortgages

For clients with substantial wealth, a UK mortgage can sit within a much wider picture of businesses, investments, international income and family ownership. I help organise that picture for an individual lending assessment.

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Bring the balance sheet and the borrowing purpose together

A large asset base does not automatically establish mortgage affordability or lender acceptance. We distinguish liquid assets from illiquid holdings, personal income from company resources, and existing secured commitments from the proposed borrowing. Where an appropriate specialist or private-bank route needs consideration, the scope and any introduction are discussed openly. Your legal and tax advisers should review ownership and cross-border implications before a structure is chosen.

A large loan or a more individual property?

Wealth, the amount borrowed and the property itself are separate parts of the assessment. The £1m+ mortgage page explains the borrowing brief, with dedicated sections for large homes and estates and complex property types. If the transaction includes a separate plot or building project, also explore land and development finance.

How I approach the case

We begin with what you want to achieve, your timescale and any part of the case that needs explaining. I review the evidence and suitable lender routes, then explain the available options and their costs. A recommendation follows the individual assessment; an initial conversation does not commit you to an application.

Where legal, tax or other specialist advice is needed, we identify it early so the finance fits the wider transaction. Tell me about any change in employment, borrowing, deposit or property details before proceeding.

What to prepare

  • Purpose, amount and repayment approach
  • Personal and company ownership structure
  • Evidence of income, assets and existing liabilities
  • Nationality, residence and income currencies
  • Legal and tax adviser involvement

You do not need every document before saying hello. Start with a short outline; detailed or sensitive records should follow through an agreed secure route.

Before you proceed

No private-bank mandate, lending facility, asset threshold or approval is promised. Interest-only borrowing needs an accepted repayment strategy, and assets used as security can be at risk. Regulated investment, tax and legal advice are outside this mortgage service.

Your questions, answered

Can substantial assets help when regular income is modest?

They can be relevant to understanding the overall financial position, but wealth does not automatically demonstrate how mortgage payments will be met. We separate recurring income, liquid assets, company interests and funds that are restricted or difficult to realise. Any proposed lending route must be supported by the lender’s actual requirements.

Can my existing advisers be involved?

With your authority, we can coordinate with your accountant, solicitor or other appointed advisers to understand ownership, income and the transaction. You keep control over what is shared. Mortgage advice does not replace their legal, tax or investment advice.

Do I have to move investments to obtain a mortgage?

Do not assume that this will be necessary, or that moving assets will secure lending. If a proposed arrangement involves additional assets or a wider banking relationship, the requirements, costs and risks need to be understood alongside the mortgage. Any investment decision belongs with the appropriate qualified adviser.

Larger loans & individual properties£1m+ borrowing, substantial homes & landOpen the group to explore the loan, property and project pages relevant to your plans.7 routes

Further reading: MoneyHelper: mortgages and homebuying. Content reviewed 9 September 2026. General information; availability depends on the individual case.

Your next step

Let’s talk about your plans.

Start with ultra-high-net-worth mortgages. Tell me what you want to achieve and when; we can work out what needs a closer look.

A useful starting point: purpose, amount and repayment approach; personal and company ownership structure; evidence of income, assets and existing liabilities.

Put it in context

Different situations.
A useful starting point.

Illustrative examples for ultra-high-net-worth mortgages. These are not records of actual client outcomes.

01 · ILLUSTRATIVE

Substantial assets, modest regular drawings

A business owner holds significant wealth but draws relatively little personal income. The assessment needs to distinguish business assets, liquidity and evidenced resources…

Read the scenario
02 · ILLUSTRATIVE

A UK home within an international picture

A family has property, investments and income across jurisdictions. The proposed UK ownership, existing liabilities and source of funds need a coordinated review with appointed…

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03 · ILLUSTRATIVE

Borrowing while retaining liquidity

An applicant wants to keep liquid funds available for other plans and is considering a larger mortgage. The borrowing purpose, total cost and any interest-only repayment route…

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04 · ILLUSTRATIVE

Evidence focus: Bring the balance sheet and the borrowing purpose together

A mortgage applicant is considering ultra-high-net-worth mortgages. The brief includes purpose, amount and repayment approach and a separate question about personal and company…

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05 · ILLUSTRATIVE

Decision point: Evidence of income, assets and existing liabilities

A mortgage applicant is preparing for ultra-high-net-worth mortgages, but the information about evidence of income, assets and existing liabilities changes while a question about…

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06 · ILLUSTRATIVE

Substantial wealth spread across a business and family structures

An internationally connected applicant wants to buy a UK home while retaining funds for their business. Their wealth includes company interests and family structures, but personal…

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