Expat Buy-to-Let Mortgage Calculator
39 of the 47 expat-friendly UK lenders we track offer buy-to-let. Run your property and rent figures through our calculator, then use the lender table below to see which of them accept expat landlords — no credit search performed.
Lender criteria last reviewed August 2026
Start Your Buy-to-Let CheckWhat is an expat buy-to-let mortgage calculator?
If you're a British expat living overseas and want to buy or remortgage a rental property in the UK, a buy-to-let mortgage is assessed differently to a residential one: the lender looks first at the property's expected rental income, not your salary. That's also why buy-to-let is often the easier route from abroad — the income being assessed is in pounds, earned by the property, regardless of where in the world you live.
Our buy-to-let calculator runs your property value, deposit and expected rent through the same rent-based assessment UK lenders use, and shows a conservative estimate of what you could borrow. It doesn't yet filter its results by expat criteria automatically — so alongside it, this page carries our full table of which buy-to-let lenders accept expat applicants and to what maximum loan-to-value, taken from the same criteria dataset that powers our expat residential calculator. It's an information tool, not a mortgage offer or advice.
How lenders assess an expat buy-to-let application
- Rental cover comes first. The expected rent needs to cover the mortgage interest with a safety margin — commonly around 125%–145% of the interest calculated at a stressed rate. This, rather than your salary, is usually what caps the loan.
- Deposits are larger. Most expat buy-to-let lending stops at 75% loan-to-value, so plan around a 25% deposit. A smaller group of lenders (7 in our current dataset) publish an 80% ceiling.
- Your overseas income still gets checked. Some lenders set a minimum personal income for expat applicants, and income paid in a foreign currency is generally counted after a reduction (a currency haircut) for exchange-rate risk — which matters most where a lender "top-slices" personal income to support a rental shortfall.
- Country and paperwork checks apply. Lenders look at your country of residence, how your income can be evidenced from abroad, and whether you hold a UK bank account and credit footprint.
A worked example
Say you live in Dubai and want to buy a £250,000 rental property in Manchester with an expected rent of £1,300 a month (£15,600 a year). At a stressed rate of 5.5% and a 145% rental cover requirement, the rent supports a loan of roughly £195,000. But at a 75% loan-to-value ceiling the lender caps the loan at £187,500 — so the LTV limit, not the rent, is the binding constraint here, and you'd need a deposit of £62,500 plus purchase costs.
Figures like these are illustrative — each lender sets its own stress rate, cover ratio and LTV cap, which is exactly the spread the calculator shows you. Non-resident buyers should also budget for the stamp duty surcharge on top of standard rates; a tax adviser can confirm the position for your circumstances.
Which lenders offer expat buy-to-let?
Of the 102 UK lenders we track for expat criteria, 47 show published evidence of accepting British expat applicants — and 39of those offer expat buy-to-let. The table below is our snapshot of their published criteria; "case-by-case" means the lender's own documentation says expat applications are considered subject to underwriting. An em dash in the LTV column means the lender doesn't publish a figure for that product line.
| Lender | Expat status | BTL max LTV |
|---|---|---|
| Beverley Building Society | Yes | 70% |
| Buckinghamshire Building Society | Yes | — |
| Cambridge Building Society | Yes | 80% |
| Castle Trust | Yes | 77% |
| Dudley Building Society | Yes | 80% |
| Family Building Society | Yes | — |
| Foundation Home Loans | Yes | 75% |
| Furness Building Society | Yes | — |
| Gatehouse Bank | Yes | 80% |
| Hanley Economic Building Society | Yes | 80% |
| HSBC | Yes | — |
| HSBC Expat | Yes | 75% |
| Hampshire Trust Bank (HTB) | Yes | 75% |
| Keystone | Yes | — |
| Lendco | Yes | 75% |
| LendInvest | Yes | 75% |
| Mansfield Building Society | Yes | 75% |
| Market Harborough Building Society | Yes | — |
| Marsden Building Society | Yes | 75% |
| Molo Finance | Yes | 80% |
| Newbury Building Society | Yes | 75% |
| Octopus Real Estate | Yes | 70% |
| Penrith Building Society | Yes | 75% |
| Quantum Mortgages | Yes | 75% |
| Saffron Building Society | Yes | 75% |
| Santander | Yes | — |
| SBI UK | Yes | — |
| Shawbrook | Yes | 75% |
| Skipton International | Yes | — |
| Stafford Railway Building Society | Yes | 70% |
| Suffolk Building Society | Yes | 80% |
| The Mortgage Lender | Yes | — |
| The Mortgage Works | Case-by-case | 70% |
| Tipton & Coseley Building Society | Yes | 80% |
| Together | Yes | — |
| Vernon Building Society | Yes | 75% |
| Vida Homeloans | Yes | 75% |
| West One Loans | Yes | 65% |
| Zephyr | Case-by-case | — |
Being listed is not a recommendation, and criteria change — always confirm directly with the lender or an FCA-authorised adviser before relying on a figure here.
Who this calculator is for
This page is built for British expats letting out UK property— whether you're buying your first rental from abroad, remortgaging an existing one, or keeping a former home as a let while you're overseas. For the country-specific position, start from your country's page — for example expat mortgages from the UAE, Hong Kong or Singapore— or browse all expat mortgage countries.
Buying a home to live in rather than let out? Use our expat residential mortgage calculator instead — it filters lenders by expat criteria and applies the currency haircut to your income automatically. And if you're a foreign national rather than a British expat, our foreign nationals mortgage guide covers that situation.
How It Works
Enter the property and rent
Property value, deposit and the monthly rent you expect the property to achieve.
We run the rental assessment
Stress rates and rental cover ratios applied the way UK buy-to-let lenders assess them.
Check the expat table
See your borrowing spread, then use this page's table of 39 expat-friendly BTL lenders to see who accepts expat landlords.
Why Use Our Calculator?
We do the groundwork so you don't have to — rent-based borrowing estimates plus a criteria table covering 39 expat-friendly buy-to-let lenders, reviewed against published lender documentation.
No credit search
Your credit score is not affected. We use published lender criteria, not credit reports.
Real stress-test maths
Rental cover and stressed rates applied the way lenders do, not a simple rent multiplier.
Built for expat landlords
39 of the 47 expat-friendly lenders we track offer buy-to-let — the table on this page shows every one.
Frequently Asked Questions
Can British expats get a UK buy-to-let mortgage?
Yes — buy-to-let is the larger side of the expat mortgage market. Of the 47 UK lenders we track with published evidence of accepting British expat applicants, 39 offer expat buy-to-let, against 20 offering expat residential. Because a buy-to-let application is assessed mainly on the property's rental income rather than your overseas salary, it is often the more straightforward route from abroad.
How much deposit do I need for an expat buy-to-let?
Typically 25% of the property value. Most expat buy-to-let lending is capped at 75% loan-to-value, with a smaller group of lenders (7 in our current dataset) publishing a ceiling of 80%. Individual products vary, and the maximum a lender will actually offer also depends on the rental income covering the stressed mortgage payment.
Does my overseas income matter if the mortgage is assessed on rent?
It still matters in two ways. First, some lenders set a minimum personal income before considering an expat application at all, and income paid in a foreign currency is usually counted after a reduction (a currency haircut) for exchange-rate risk. Second, where the rent alone doesn't quite cover the lender's stress test, some lenders allow "top-slicing" — using surplus personal income to support the shortfall — and that surplus is also assessed after the haircut.
What is the rental stress test?
Lenders check that the expected rent covers the mortgage interest with a safety margin, calculated at a stressed interest rate rather than the product's actual rate. A common benchmark is rent covering around 125%–145% of the interest at a stressed rate, with the exact coverage ratio and rate set lender-by-lender and often depending on your tax band. This is usually the binding constraint on how much an expat landlord can borrow.
Can I buy through a limited company (SPV) as an expat?
Some of the specialist lenders in our dataset accept limited-company applications from expat shareholders, and a few publish expat ranges covering HMOs, multi-unit blocks and holiday lets. These are typically adviser-route lenders rather than ones you can check instantly online, and the structuring has tax consequences that are worth discussing with an accountant before committing either way.
Will checking my affordability here affect my credit score?
No. Our calculator does not perform any credit search. We check published lender criteria and run affordability calculations only — your credit file is not accessed or affected in any way.
Information only — not mortgage advice. We are not FCA authorised. Being shown a lender does not mean you will be accepted, and figures shown are conservative estimates, not offers. Always speak to a qualified, FCA-authorised mortgage adviser before applying.
Ready to see what a UK rental property could support?
It takes about 5 minutes. No credit search. Rent-based borrowing estimates plus our table of 39 expat-friendly buy-to-let lenders.
Start Your Buy-to-Let CheckBuying a home to live in? Try our expat residential calculator
