Mortgages

How to Get a High Value Mortgage: A Complete Guide

High value mortgages require more than a strong income. Lenders manually assess affordability, income sources, assets, and risk, especially for loans above £1 million. Working with the right broker early can make the difference between smooth approval and weeks of delays, reduced offers, or outright decline.

Will Sharman

Dec 31, 2025

Getting a high value mortgage sounds straightforward. Bigger loan, bigger deposit, higher income.

In reality, once you move beyond £750,000 to £1 million plus, mortgages often become harder, not easier.

That’s because lenders stop relying on automated affordability checks and start manually assessing risk. Income structure, assets, liabilities, property type, and how the case is presented suddenly matter far more.

This guide explains how high value mortgages really work, what lenders look for, where applications typically fall apart, and how Mortgage Brokers Near Me helps clients secure large mortgages without unnecessary friction.

What Is Classed as a High Value Mortgage?

There’s no fixed definition, but in practice:

  • £750,000 and above usually triggers enhanced underwriting
  • £1 million and above often moves into specialist or private bank teams
  • £2 million plus is typically fully bespoke lending

At this level, lenders are not just asking if you can afford the mortgage. They are assessing how resilient your finances are over time.

Why High Value Mortgages Are Harder Than You Expect

Many buyers assume banks are keen to lend larger amounts. Often, the opposite is true.

Most high street lenders are built for volume, not complexity. Once a case involves:

  • Multiple income streams
  • Bonuses, dividends, or retained profits
  • Business ownership
  • Foreign income
  • High net worth but irregular cash flow

It stops being a tick-box exercise and becomes a manual underwriting decision. That’s where delays, reduced loan offers, or last-minute issues usually appear.

How Lenders Assess High Value Mortgage Applications

Income

Lenders look beyond salary and may consider:

  • Bonuses and commission
  • Dividends and retained profits
  • Self-employed income
  • Rental income
  • Investment income

What matters most is consistency, evidence, and explanation. Two borrowers earning the same amount can receive very different offers depending on how that income is structured and presented.

Assets and liabilities

For high value loans, lenders assess overall financial exposure, not just monthly affordability. Existing properties, investments, debts, and future commitments all form part of the decision.

Property type

High value properties often come with complications such as listed status, unique construction, large plots, or bespoke designs. Some lenders simply won’t consider these, regardless of income.

How Much Can You Borrow on a High Value Mortgage?

Standard income multiples still apply as a starting point, but flexibility increases with stronger profiles.

  • Many lenders cap borrowing at around 4.5x income
  • Some stretch to 5x or more
  • Specialist lenders may go further where the wider financial picture supports it

For high earners, borrowing limits are often driven more by risk appetite than income alone.

What Deposit Do You Need?

Most high value mortgages require:

  • A minimum 15% deposit
  • 25% or more for broader lender choice and better terms
  • Higher deposits for unusual properties

At this level, loan-to-value is about lender confidence as much as risk.

Are Interest Only High Value Mortgages Available?

Yes, but they are carefully assessed.

Interest only is common for high net worth borrowers whose wealth is tied up elsewhere. Lenders will require a clear and credible repayment strategy, such as the sale of property, investment portfolios, pension assets, or business exits.

This is reviewed on a case-by-case basis.

High Value Buy to Let Mortgages

High value buy to let lending is often structured around:

  • Portfolio finance
  • Limited company ownership
  • Specialist underwriting teams

Stress testing, rental coverage, and exposure across the wider portfolio matter far more than headline rates. These cases benefit significantly from correct lender placement from the outset.

How Mortgage Brokers Near Me Helps With High Value Mortgages

High value mortgages don’t fail because borrowers are weak. They fail because cases are poorly positioned.

At Mortgage Brokers Near Me, our role is not to simply compare rates. It’s to structure and place the case so the right lender understands it properly the first time.

Assessing lender appetite before you apply

Not every lender advertising large loans wants complex or high-value cases. We filter lenders based on loan size, property type, income structure, and overall risk, avoiding wasted applications and unnecessary credit checks.

Structuring income clearly

Many high value clients earn well but not neatly. Salary, bonuses, dividends, retained profits, rental income, or overseas earnings are often misunderstood.

We break income down, explain it clearly to underwriters, and present it in a way lenders are comfortable approving, not questioning.

Managing complex properties

Listed buildings, unique homes, or non-standard construction can derail applications late in the process. We place these cases with lenders already comfortable lending on similar properties.

Coordinating the full process

High value purchases often involve tight deadlines, chains, solicitors, accountants, and estate agents. We manage the process end-to-end so momentum isn’t lost once an offer is issued.

Prioritising approval certainty

At this level, the cheapest rate is irrelevant if the mortgage doesn’t complete. Our priority is approval certainty first, suitable structure second, and competitive pricing third.

Case Study: £1.5m Residential Purchase With Complex Income

Purchase price: £1.5 million
Loan amount: £1.2 million
Deposit: 20%
Income: Salary plus dividends

On paper, the income appeared inconsistent. By restructuring how it was presented and placing the case with a lender comfortable with business owners, the mortgage was approved without reducing the loan amount or increasing the deposit.

The borrower didn’t change. The strategy did.

Common Mistakes Buyers Make

  • Applying directly to a high street bank
  • Assuming high income guarantees approval
  • Ignoring property complexity
  • Bringing a broker in too late
  • Focusing on rates before certainty

Most of these issues are avoidable with early advice.

When Should You Get Advice?

You should speak to a broker early if:

  • You’re borrowing over £750,000
  • Your income isn’t purely salaried
  • You want an interest only structure
  • You’re buying a non-standard or high value property
  • Timing is critical

At higher loan sizes, clarity early saves weeks later.

Final Thought

High value mortgages aren’t difficult because lenders are unhelpful. They’re difficult because the risk profile is different.

Handled correctly, they can be smooth, flexible, and competitive. Handled poorly, they become slow and unpredictable.

The difference is almost always the approach.

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