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Cross Border Property Tax UK & US by Simon Misiewicz of Optimise Accountants

Cross Border Property Tax UK & US by Simon Misiewicz of Optimise Accountants

Written by: Simon Misiewicz US & UK Cross Border Expat Tax Specialist
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About this listen

What you’ll learn

  • How to stop overpaying tax on UK and US property income
  • The biggest cross-border tax mistakes expats make (and how to avoid them)
  • How to legally reduce tax across both UK and US systems
  • What HMRC and the IRS don’t tell you about property ownership
  • How double taxation really works — and why most people get it wrong
  • The truth about LLCs, UK companies, and “tax-efficient” structures
  • How to protect your wealth from UK inheritance tax and US estate tax
  • What happens when you sell — and how to avoid unexpected tax bills

Who this is for

  • UK expats investing in US property
  • US residents with UK property
  • Landlords with cross-border income
  • Investors who want to reduce tax and avoid costly mistakes

If you own, or are planning to own, property across the UK and US — this is for you.


Why you should listen

Most people in this space:

  • Overpay tax
  • Use the wrong structure
  • Or get advice that is incomplete or outdated

And the cost of getting it wrong is not small — it can run into tens or hundreds of thousands.

This podcast gives you clear, practical, real-world strategies based on what actually works — not theory.


What makes this different


This is not generic content.

This is based on:

  • Real client cases
  • Current UK and US tax rules
  • Practical experience dealing with HMRC and the IRS

No fluff. No vague advice. No shortcuts that create problems later.


New episodes weekly

Each episode is designed to:

  • Highlight real risks
  • Challenge common assumptions
  • Give you clear next steps

Important

This podcast is for educational purposes only and does not constitute personalised tax advice.


Work with us

If you want to get this right — and avoid expensive mistakes — speak to us.

We provide structured, compliant, and strategic cross-border tax advice for property investors.

👉 Book a consultation:
🌐 https://internationaltaxesadvice.com/#


© 2026 Cross Border Property Tax UK & US by Simon Misiewicz of Optimise Accountants
Episodes
  • Americans Moving to the UK Could Face $50,000 IRS Penalties, The Hidden Tax Trap Nobody Warns You About
    May 4 2026

    Are you an American thinking about moving to the United Kingdom, or already living there and enjoying your new life? This episode reveals a shocking reality that could cost you tens of thousands of dollars if ignored. Many Americans assume that once they leave the United States, their tax obligations disappear. That assumption could be financially devastating.

    In today’s episode, we uncover how Americans abroad are still required to file US tax returns every single year, regardless of where they live. We explain why moving to the UK introduces a completely new layer of complexity, especially if you hold UK bank accounts, ISAs, pensions, investment portfolios, or property. These are not just financial tools, they can trigger additional IRS reporting requirements that most people have never even heard of.

    We break down the key IRS forms that catch Americans out, including FBAR, Form 8938, Form 3520, Form 8621, and more. Many standard US tax software systems do not support these forms, and even experienced US accountants may not fully understand international reporting rules.

    We also discuss the dangerous misconception of “tax free” investments in the UK. What may be tax efficient in the UK can be fully taxable in the United States. Without proper advice, you could end up paying tax twice or reporting incorrectly.

    Another critical issue covered is the mismatch between UK and US tax years, creating administrative chaos and increasing the risk of errors. We also explain how state tax obligations may change when you leave the US, and when you may no longer need to file at state level.

    This episode is essential listening for high earning professionals, business owners, and investors earning between $100,000 and $1,000,000 who are considering or have already made the move.

    If you want to avoid turning your dream move into a tax nightmare, this is information you cannot afford to ignore.

    Hashtags
    #USTax #ExpatTaxes #AmericansAbroad #UKTax #IRS #TaxAdvice #InternationalTax #ExpatsUK #TaxPlanning #FinancialMistakes

    Links

    🌐 Website: https://internationaltaxesadvice.com/#

    📅 Book a Call: https://optimiseaccountantsltd.as.me/Optimise-accountants-sales-call

    📄 UK – US Expat Tax Guide: https://survey.zohopublic.com/zs/fCDggd

    ▶️ YouTube Channel: https://www.youtube.com/@USUKCrossBorderTaxes

    🎧 Apple Podcasts: https://podcastsconnect.apple.com/my-podcasts/show/cross-border-property-tax-uk-us-by-simon-misiewicz-of-optimise-accountants/6c032a66-0b85-4fe2-bb2d-7677e7ecfa04

    🎵 Spotify Podcasts: https://open.spotify.com/show/663RrvLazz1OoI8tNZirke?si=VCvqWWUjSt-vYXUO9mPRYQ

    💼 LinkedIn Articles: https://www.linkedin.com/in/simon-misiewicz-fcca-att-ea-caa-mba-61637033b/recent-activity/articles/

    Show More Show Less
    10 mins
  • Brits Moving to America, The Hidden Tax Nightmare That Could Cost You Thousands
    Apr 27 2026

    In today’s episode, we dive into the harsh reality facing Brits who move to the United States expecting opportunity, but instead find themselves trapped in one of the most aggressive tax systems in the world.

    We discuss why the transition from the UK to the US is not just a lifestyle change, but a complete financial reset. What seems simple on the surface quickly becomes overwhelming, with tax returns expanding from a few dozen pages in the UK to potentially hundreds of pages in the US.

    We explain how the IRS requires full disclosure of your worldwide income, meaning your UK rental properties, investments, bank accounts, and even your limited companies all come under scrutiny. We cover the complexity of dealing with two tax systems at once, including the mismatch between the UK tax year and the US calendar year, and why this alone can create serious reporting errors.

    In this episode, we also talk about double taxation risks, and why foreign tax credits are not as straightforward as they sound. We highlight the hidden dangers of ISAs, which may be tax free in the UK but fully taxable in the US, along with the complications of PFIC rules on UK investments.

    We explore the multiple layers of US taxation, including federal, state, and even city tax returns, and the additional reporting requirements such as FBAR filings for foreign bank accounts. Most importantly, we reveal how penalties can escalate rapidly, with fines ranging from ten thousand to fifty thousand dollars per missed form, even when no tax is owed.

    This episode is essential listening for any Brit planning to move to the US, currently living there, or holding UK assets while abroad. The key message is simple, get the right advice before you move, or risk turning your American dream into a financial disaster.

    #UKExpats, #USTaxSystem, #IRSProblems, #ExpatFinance, #TaxNightmare, #AmericanDreamRisk, #DoubleTaxation, #FBAR, #UKtoUSA, #TaxAdvice

    Keywords
    UK expats USA tax, IRS penalties UK expats, US tax system explained, foreign income US tax, FBAR reporting UK, ISA taxable USA, PFIC rules explained, UK US tax differences, expat tax mistakes, US tax returns expats


    Links

    🌐 Website: https://internationaltaxesadvice.com/#

    📅 Book a Call: https://optimiseaccountantsltd.as.me/Optimise-accountants-sales-call

    📄 UK – US Expat Tax Guide: https://survey.zohopublic.com/zs/fCDggd

    ▶️ YouTube Channel: https://www.youtube.com/@USUKCrossBorderTaxes

    🎧 Apple Podcasts: https://podcastsconnect.apple.com/my-podcasts/show/cross-border-property-tax-uk-us-by-simon-misiewicz-of-optimise-accountants/6c032a66-0b85-4fe2-bb2d-7677e7ecfa04

    🎵 Spotify Podcasts: https://open.spotify.com/show/663RrvLazz1OoI8tNZirke?si=VCvqWWUjSt-vYXUO9mPRYQ

    💼 LinkedIn Articles: https://www.linkedin.com/in/simon-misiewicz-fcca-att-ea-caa-mba-61637033b/recent-activity/articles/

    Show More Show Less
    11 mins
  • Brits Returning to the UK from the US: The £1M Tax Trap Nobody Warns You About
    Apr 20 2026

    Moving back to the UK from the US could quietly cost you hundreds of thousands — even millions — in unnecessary tax if you get it wrong. Most people focus only on income tax… but that’s just the beginning. In this video, discover the shocking differences between UK and US inheritance tax thresholds, why a $3M estate could be hit with 40% tax in the UK, and how poor timing on asset sales can destroy your wealth. Learn how the 4-year foreign income rule could legally wipe out UK tax on your US income, why keeping assets in the US might be the smartest move, and how strategic pension planning (including Roth IRA conversions) could give you tax-free income for life. If you are a Brit in the US thinking about returning home, this is essential viewing before you make a very expensive mistake.

    Show More Show Less
    11 mins
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