January 22, 2026

One of the most common questions people ask is how much can I borrow for a mortgage in Scotland or London based on my income.
It sounds simple, but the real answer is more nuanced than most mortgage calculators suggest.
Income matters, but how your income is earned, where you are buying, and how lenders assess affordability all play a major role in what you can actually borrow.
This guide explains how borrowing really works, without jargon, averages, or guesswork.
Most UK mortgage lenders begin with an income multiple.
Typical borrowing ranges are:
• 4 times annual income
• 4.5 times annual income
• Up to 5 times income in stronger cases
Examples:
• £40,000 income → £160,000 to £200,000
• £60,000 income → £240,000 to £300,000
However, income multiples alone do not determine borrowing.
Affordability is the deciding factor, and this is where many calculators fall short.
Affordability measures whether repayments remain sustainable, even if interest rates rise.
Lenders consider:
• Net monthly income
• Household bills
• Credit commitments
• Living costs
• Dependants
• Future interest rate stress tests
Two people earning the same salary can receive very different mortgage offers.
This is why mortgage affordability advice in Scotland and London is more important than headline figures.
In Scotland, lenders often take a more balanced view of affordability because:
• Property prices are generally lower outside Edinburgh
• Mortgage payments represent a smaller share of income
• Home Report valuations provide pricing transparency
This can work in your favour if you are buying in Glasgow, Ayrshire, Paisley, or Central Scotland.
Many Scottish buyers are surprised by how much they can borrow once affordability is assessed properly.
London operates differently.
Even with higher incomes, lenders apply stricter checks because:
• Property prices are significantly higher
• Monthly repayments take up more income
• Stress testing is more cautious
Borrowing in London is not about earning more, it is about structure:
• Deposit size
• Mortgage term
• Fixed versus variable rates
• Treatment of bonuses or additional income
Small changes can make a meaningful difference to borrowing power.
For employed applicants:
• Basic salary is always included
• Bonuses, overtime, and commission may count
• Additional income is usually averaged over time
This is the simplest income type for lenders.
Self-employed borrowers often underestimate their borrowing power.
Depending on lender, income may be assessed using:
• Net profit
• Salary plus dividends
• Retained company profits
Some lenders accept:
• One year of accounts
• SA302s
• Accountant certificates
High street banks often ignore retained profits. Specialist lenders do not.
This is where self-employed mortgage advice makes a major difference.
Contractors are assessed differently again.
Lenders may use:
• Day rate multiplied by working weeks
• Annualised contract value
• Limited company income structures
This can significantly increase borrowing compared to PAYE assumptions.
Yes, indirectly.
A larger deposit:
• Lowers monthly repayments
• Improves affordability
• Unlocks higher income multiples
• Gives access to better interest rates
For example, borrowing at 95% LTV may cap income multiples at 4x, while borrowing at 85% LTV may allow 4.5x or higher.
This links closely to mortgage deposit planning in Scotland and London.
Lenders do not rely on a single credit score.
They assess:
• Payment history
• Credit utilisation
• Missed payments or defaults
• Stability over time
It is possible to borrow well with average credit, and to be restricted with high income if recent credit issues exist.
This is where lender selection and manual underwriting matter.
For joint buyers:
• Incomes are combined
• Outgoings are combined
• Credit profiles are reviewed together
In some cases:
• Removing one applicant increases borrowing
• Keeping both strengthens affordability
There is no universal rule, only strategy.
Longer mortgage terms:
• Reduce monthly payments
• Improve affordability
• Increase borrowing capacity
Common terms include:
• 25 years
• 30 to 35 years
• Terms running to retirement age with suitable lenders
This is particularly useful in London, where prices stretch income ratios.
Most calculators:
• Ignore real affordability rules
• Exclude specialist lenders
• Assume standard employment
• Miss regional risk differences
They are useful guides, but they are not decisions.
Pelican Finance Limited works across Scotland and London to:
• Match income type to the right lenders
• Structure applications for accurate affordability
• Include income others ignore
• Avoid failed applications
• Explain differences between calculators and real offers
The goal is not maximum borrowing. It is sustainable borrowing.
Usually £160,000 to £200,000, depending on outgoings, credit, and deposit.
Yes, some lenders offer up to 5x with strong affordability and lower LTV.
Not directly, but stricter stress testing can affect affordability.
Yes, and sometimes more, with the right lender.
Often yes, if consistent and provable.
Yes, credit cards, loans, and childcare all affect affordability.
It depends on income, commitments, and credit profiles.
There is no single answer to how much can I borrow for a mortgage in Scotland or London based on my income.
Borrowing power depends on:
• How income is earned
• How spending is structured
• Where the property is located
• Which lender is chosen
• How the application is presented
This is why personalised advice consistently outperforms calculators.
Pelican Finance Limited helps buyers across Scotland and London understand their true borrowing potential clearly and responsibly.