How do UK lenders assess foreign income?
UK lenders accept foreign income but apply a haircut, typically 20–30% of gross earnings, to protect against currency movement. Major currencies such as USD, EUR, AED and SAR are widely accepted, and bonuses, allowances and equity awards can count with two years of evidence.
- Some lenders accept only a defined list of acceptable currencies.
- Two years of payslips and tax filings are the usual evidence standard.
- Self-employed applicants abroad need audited or accountant-certified accounts.
- Limited-company buy-to-let often has more flexible income treatment.
Key takeaways
- Most UK lenders discount foreign currency income by 15–30% before applying income multiples.
- USD, AED, SAR, EUR, CHF, HKD and SGD are the most widely accepted currencies; pegged currencies often attract a lower haircut.
- Bonuses and allowances are usually taken at 50–100% depending on consistency and a two-year track record.
- RSUs and equity awards are accepted by a minority of lenders, typically at 50% of a vested three-year average.
- Self-employed applicants abroad need two to three years of accountant-certified accounts plus corresponding tax filings.
Why lenders apply a currency haircut
A UK mortgage is repaid in sterling. If your income is earned in dirhams or dollars, exchange rate movement sits between your salary and your monthly payment. Lenders manage that risk by discounting the converted income before running affordability — commonly 15–30%, and occasionally more for volatile or thinly traded currencies.
The haircut is applied to gross income, then standard income multiples and stress rates are layered on top. A £250,000 sterling equivalent salary discounted by 25% is assessed as £187,500, which typically translates into around £150,000 less borrowing capacity at a 4.5x multiple.
Which currencies UK lenders accept
Acceptance varies materially between lenders. As a general picture across the expat market:
- USD, EUR, AED, SAR — widely accepted. AED and SAR are pegged to the dollar, which several lenders recognise with a reduced haircut of 10–20%.
- CHF, HKD, SGD, AUD, CAD, NZD, JPY — accepted by most specialist and private lenders, typically at a 20–25% discount.
- QAR, KWD, BHD, OMR — accepted by a narrower panel, usually private banks and specialist expat lenders.
- Non-convertible or sanctioned-jurisdiction currencies — generally declined regardless of income level.
If you are paid in one currency but hold assets in another, say so early. Sterling or dollar-denominated liquidity can offset a heavier haircut in the underwriter's view.
Bonus, allowances and variable pay
Gulf packages often include substantial housing, schooling and transport allowances, and US packages lean heavily on bonus. Typical treatment:
- Contractual allowances stated in the employment contract — often 100%.
- Regular annual bonus with a two-year history — commonly 50%, sometimes averaged.
- Commission — 50–100% based on a two-year average and employer confirmation.
- One-off or discretionary sign-on payments — usually excluded entirely.
An employer letter setting out the composition of the package is one of the highest-value documents in an expat application; it frequently unlocks the difference between a declined case and a comfortable one.
RSUs, stock and carried interest
US-based applicants, particularly in technology and financial services, often hold a large share of compensation in restricted stock. A minority of UK lenders and most private banks will consider it, generally at 50% of the average vested value over three years, and only where the stock is in a listed company with a demonstrable vesting schedule.
Carried interest and partnership distributions are assessed case by case, usually by private banks lending on a relationship basis against a broader balance sheet rather than a pure income multiple.
Self-employed and company owners abroad
Overseas self-employed income needs a paper trail a UK underwriter can read. Expect to provide two to three years of accounts prepared by an accountant with a recognised qualification, matching tax filings from the local authority, and business bank statements covering the same period.
In jurisdictions with no personal income tax, such as the UAE and Saudi Arabia, lenders substitute alternative evidence: trade licence, corporate registration, audited accounts and twelve months of business banking. Retained profits within a company are sometimes added to salary and dividends where a lender takes a whole-business view.
Check how your income will be assessed
Use the questionnaire below to see the currency haircut a UK lender is likely to apply to your income, the assessable figure and indicative borrowing that follows, the documents you will be asked to produce, and answers tailored to your currency, employment type and income structure.
Foreign income assessment
See how your income is likely to be assessed
Answer six questions to get an indicative currency haircut, the assessable income a UK lender is likely to work from, the documents you will be asked for, and answers to the questions your case raises.
Practical ways to improve your assessment
Present the strongest currency first where you have multiple income streams, keep at least six months of clean statements in the account that receives salary, and avoid changing employer or jurisdiction in the weeks before application.
Larger deposits materially widen the panel: at 25% deposit the expat market is broad, at 35%+ private banks engage and haircuts often soften. If you are buying now and expect a bonus or asset sale shortly, a short-term facility from our bridging team can bridge the timing rather than forcing a smaller purchase. Country-specific detail sits on our expat mortgages hub.
Frequently asked
Questions from readers
Do UK lenders accept foreign currency income?
Yes. A broad panel of specialist lenders and private banks lends to applicants paid in USD, EUR, AED, SAR and other major currencies, typically after applying a discount of 15–30% to the converted income.
What is a currency haircut?
It is the discount a lender applies to foreign currency income before calculating affordability, to protect against exchange rate movement. Most sit between 15% and 30%, with pegged currencies such as AED and SAR sometimes treated more generously.
Is AED income treated better than other currencies?
Often yes. Because the dirham is pegged to the US dollar, several lenders apply a reduced haircut of 10–20% rather than the standard 25%.
How much can I borrow on foreign income?
Typically 4–5.5x discounted income, with private banks going further on a relationship basis. The haircut, not the multiple, is usually what limits the outcome.
Will my bonus be counted?
Usually at 50%, and normally only where there is a two-year history evidenced by payslips and an employer letter. Contractual allowances are often taken at 100%.
Are RSUs or stock awards accepted?
By a minority of lenders and most private banks, generally at 50% of the three-year average vested value in a listed company with a clear vesting schedule.
I pay no income tax where I live. Does that matter?
No. Lenders in this market are used to the UAE and Saudi Arabia. They substitute payslips, employer letters, bank credits and, for business owners, trade licences and audited accounts.
Do I need a UK credit history?
It helps but is not essential. Expat lenders will underwrite on overseas credit reports, banking conduct and, where applicable, an existing UK footprint such as a bank account or previous mortgage.
What deposit do I need with foreign income?
Usually 25% as a working assumption, sometimes 20% for stronger cases and 35%+ where the currency or income structure is more complex.
Can I use rental income from overseas property?
Some lenders will consider it as supporting income, evidenced by tenancy agreements and bank credits, though it is more often used to demonstrate asset strength than to increase the loan.
How long does an expat application take?
Typically four to eight weeks from application to offer, driven mostly by how quickly certified and, where required, attested documents can be produced.