Directly authorised by the FCA · FRN 944663Buy-to-Let Broker of the Year, Business Moneyfacts Awards 2023
Our Mortgage Broker
Daily update

Expat mortgages: why proving overseas income is the biggest hurdle

Brokers say income and affordability checks trip up more expat cases than anything else, so here is how to get ahead of them.

By Our Mortgage Broker16 October 20262 min read

A new survey of specialist brokers confirms what many British expats find out the hard way: buying or refinancing a UK property from overseas is rarely about the rate. It is about proving your income in a way a UK lender will accept.

What brokers say is holding expat cases back

Suffolk Building Society surveyed 137 expat mortgage brokers in July and August 2026 (results published 8 October). The headline findings:

  • 62% said proving income and affordability, using overseas payslips and tax returns, is their main challenge.
  • 48% each pointed to global political instability, uncertainty over lending criteria, and identity and anti-money laundering checks.
  • Brokers estimate only around a third of expats know they may need a dedicated expat mortgage at all.

That last point matters. Many high-street lenders will not lend to someone living abroad, or will treat foreign-currency income cautiously, so applying in the wrong place can mean a decline on your credit file and lost time.

Picking the right type of expat mortgage

Expat lending is not one product. Depending on how the property will be used, you may need expat residential, expat buy-to-let, consumer buy-to-let (for example letting a former home) or an expat holiday-let mortgage. Getting this right shapes which lenders can help, how affordability is assessed and whether the loan is FCA-regulated. Most buy-to-let and holiday-let mortgages are not regulated by the FCA.

The wider market adds pressure too. Moneyfacts reported the average two-year fixed rate at 5.97% and the average five-year fix at 5.99% on 9 October 2026, so a clean, well-packaged application gives you the widest choice of lenders.

Quick tips

  • Gather documents early: recent payslips, employment contract, overseas tax returns, bank statements showing salary credits, passport and proof of overseas address.
  • Get translations sorted: documents not in English may need certified translations, which can take weeks.
  • Know your currency: some lenders accept only certain currencies or apply a discount to foreign-currency income.
  • Be clear on use: will you let it, stay in it when visiting, or house family? Each points to a different product.
  • Check your UK credit footprint: keep a UK bank account and address history where you can.
  • Avoid speculative applications: speak to a broker before applying so the case goes to a lender that fits.

How OMB can help

Our CeMAP-qualified advisers work with expats in the Gulf, Asia, Europe and the US, and search lenders that consider your country of residence, tax status and pay currency. See our expat and foreign national mortgages page, read how we helped a Dubai-based client buy in the UK on AED income, and use our mortgage documents checklist to get your paperwork ready before you apply.

Sources

To talk it through, contact us or start your enquiry.

Important: This guide is general information, not personal advice. Rules, rates and lender criteria change; speak to an adviser about your circumstances. Your home may be repossessed if you do not keep up repayments on your mortgage.

Keep reading

Talk to a specialist: it costs nothing to ask

Book a free 15-minute call with an adviser. We'll tell you honestly what's possible, which lenders fit, and what it will cost.