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Buying a Home in the UK as an American

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Posted: 16th September 2025
Jacob Mallinder
Last updated 18th September 2025
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For many U.S. expats in the UK, buying a home eventually comes onto the radar. Most people start out renting, which works well at first, no mortgage to worry about, fewer responsibilities when it comes to repairs, and the freedom to move around. But once you’ve reached financial stability or started thinking about raising a family, renting can begin to feel temporary. At that point, owning a place is a real possibility.

The challenge is that the UK housing market doesn’t follow the same playbook as the U.S. As an expat you’ll probably bump into stricter mortgage hoops, steeper deposit requirements, and the joyless reality of exchange rates deciding how much your savings are worth that month. And hovering somewhere in the background is the IRS, ready to remind you that they still have a say in your life abroad.

Mortgages: Not Quite Straightforward

Getting a mortgage here is possible, but it can feel a bit like slogging through wet cement. Lenders tend to see expats as risky, especially if you haven’t been in the country long.

A few sticking points come up again and again. Residency status matters. If you’ve got Indefinite Leave to Remain, lenders are friendlier, but with a work visa the choices narrow fast. Credit history is another hurdle. Your U.S. score doesn’t cross the Atlantic with you, so you have to build it here through little things like utility bills or a phone contract. Then there’s proof of income. Banks usually want two years of payslips or tax records. That sounds simple until you remember how many people move abroad precisely because their work is a bit more flexible or unpredictable.

Because of this, many expats end up calling in brokers who know which banks will even entertain the conversation. Without that, you risk running in circles.

Deposits: Larger Than You’d Think

This part often shocks Americans. What was the 10 percent down payment you might have expected? Forget it. Expats are usually asked for 20 to 25 percent, and if you’re relatively new to the UK, some lenders push it closer to 30. It feels harsh, but the upside is that bigger deposits usually unlock better rates.

Saving that much isn’t quick. I’ve known people who were almost there, only to have a sudden dip in the dollar against the pound wipe out months of progress overnight. Which brings me to…

Currency: The Quiet Wildcard

If you’re earning in dollars but buying in pounds, exchange rates quietly dictate your budget. A strong dollar stretches it, a weak one shrinks it. Some expats move large sums when the rate looks good. Others spread it out to soften the swings. Honestly, either way is a bit of a gamble. Even the so-called experts rarely guess right. At some point you just have to accept you won’t control this part.

Taxes: The IRS Still Wants a Word

And then there’s the U.S. tax system. Buying in the UK might feel local, but Washington will still want the paperwork. You need to file US taxes from the UK whether you like it or not. If your UK bank account for the mortgage creeps above $10,000, you file an FBAR. If you rent the place out, you report that rental income to both HMRC and the IRS. In theory, credits protect you from paying twice, but it’s still extra filing. Depending on how the property is held, FATCA rules may come into play too.

It’s all manageable, but it creates stress. A lot of Americans underestimate how strict the IRS when it comes to implementation of their rules.

The Bigger Picture

Buying a home in the UK is something that we need to think . For some expats, it’s a milestone that says “I’m staying.” For others, it feels like too much commitment, especially when you factor in tax headaches and the possibility of moving again. Both reactions are fair.

If you decide to go ahead, the smartest route is usually to get help on both sides. A UK mortgage advisor who knows expats, and a U.S. tax professional like Expat US Tax who can keep the IRS from surprising you later. 

With that in place, you can get past the red tape and focus on the more personal side of it all: choosing whether you want a Victorian terrace in Manchester, a modern flat in East London, or maybe that slightly crooked cottage you spotted in the countryside.

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About the Author

Jacob Mallinder
Jacob has been working around the Legal Industry for over 10 years, whether that's writing for Lawyer Monthly or helping to conduct interviews with Lawyers across the globe. In his own time, he enjoys playing sports, walking his dogs, or reading.
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