By Oliver Kingsborough · International Tax Correspondent
Buying a holiday home abroad is one of those areas where the excitement of the purchase frequently overwhelms attention to the obligations that come with it. Most buyers focus intensely on the tax and legal situation in the country where they're buying — stamp duty, notary fees, local property tax, rental income registration. Far fewer think carefully about what the purchase triggers in their home country. For residents of the UK, US, and Australia, those home-country obligations are substantial and non-optional.
For US residents and citizens: FBAR and Form 8938
US citizens and residents face two overlapping foreign asset reporting requirements that apply to foreign real estate in certain circumstances.
FinCEN Form 114 (FBAR): Required if you have a financial interest in, or signature authority over, foreign financial accounts with an aggregate value exceeding $10,000 at any point during the calendar year. Direct ownership of foreign real estate does not trigger FBAR — but if you hold the property through a foreign entity (a foreign LLC, trust, or company), and that entity has a bank account, the bank account may trigger FBAR reporting. Many buyers who structure their Bali or Portuguese purchase through a local entity are in FBAR territory without realising it.
Form 8938 (FATCA): Filed with your regular federal tax return. Requires disclosure of specified foreign financial assets exceeding certain thresholds (for a US resident filing single, $50,000 at year-end or $75,000 at any point during the year; higher thresholds for joint filers and US residents living abroad). Again, direct foreign real estate ownership does not trigger Form 8938 — but interests in foreign entities that hold real estate do.
The FBAR and Form 8938 are informational reporting forms, not tax payments. But failure to file triggers significant penalties: up to $10,000 per non-wilful violation, and up to $100,000 or 50% of the account value for wilful violations. The IRS has been increasingly active in enforcement.
Rental income: All rental income from foreign property must be reported on your US federal return in the year received, regardless of where it's paid. You can claim offsetting deductions for mortgage interest, property taxes, depreciation, and management fees. If local taxes were withheld at source in the country where the property is located, you may be able to claim a foreign tax credit.
Capital gains on sale: Gains on the sale of foreign real estate are treated as capital gains and taxed at applicable US capital gains rates (0%, 15%, or 20% depending on your income, plus 3.8% net investment income tax if applicable). Currency gains or losses from exchange rate movements between purchase and sale are also reportable.
For UK residents: HMRC and the overseas property rules
UK residents (and UK domiciled individuals) are subject to UK tax on their worldwide income and gains, including income and gains from foreign property.
Rental income: Foreign rental income must be declared on your Self Assessment return. You can deduct allowable expenses including mortgage interest (subject to the same restrictions that apply to UK residential buy-to-let: relief restricted to basic rate for higher and additional rate taxpayers), management fees, repairs, and proportionate insurance and utilities. Net foreign rental income is taxed at your marginal UK income tax rate.
Capital gains: Gains on the disposal of foreign residential property are reportable on your Self Assessment return. Annual CGT allowance (currently £3,000) applies. Gains above this are taxed at 18% (basic rate taxpayer) or 24% (higher/additional rate) for residential property. You may be able to offset any equivalent capital gains tax paid in the country of sale against UK CGT via double taxation relief — but only if there is a relevant double tax treaty.
Inheritance tax: UK domiciled individuals are subject to UK inheritance tax on their worldwide assets, including foreign property. If you hold a foreign property in your own name and you're UK domiciled, it is in your UK estate for IHT purposes. Holding through a foreign trust or company may affect the treatment, but specialist advice is essential before relying on any structure.
For Australian residents: the ATO and foreign property
Australian tax residents are taxed on worldwide income and gains, with some important nuances for foreign property.
Rental income: Foreign rental income is assessable in Australia. You can claim deductions for expenses incurred in earning that income, including interest, property management fees, council rates equivalent, and repairs. The ATO's foreign income rules mean that income must be converted to AUD using the prevailing exchange rate at the time of receipt.
Capital gains tax: When you sell a foreign property, the capital gain (calculated in AUD) is assessable in Australia. Properties held for more than 12 months qualify for the 50% CGT discount. Currency fluctuation between purchase date and sale date creates an additional CGT event — if the AUD has weakened against the property's local currency during your hold period, your AUD-denominated gain may be larger than your local-currency gain.
Australian-specific trap: even if you sell your foreign property at a local-currency loss, you may have an AUD-denominated gain if the AUD depreciated significantly during your hold. This foreign exchange CGT exposure catches many sellers off-guard.
Foreign tax credits: Tax paid on foreign rental income or capital gains in the country where the property is located may be creditable against your Australian tax liability. Claim via the foreign income tax offset (FITO) on your Australian return.
The consistent advice across all three jurisdictions
Tell your accountant before you buy, not after. The reporting obligations triggered by foreign property ownership interact with your personal tax situation in ways that a good adviser can plan for prospectively but can only partially mitigate retrospectively. The most expensive tax mistakes in cross-border property are the ones made at purchase, not at sale.
Tax law is complex and changes frequently. This article provides general background only and does not constitute tax advice. Consult a qualified tax adviser in your country of residence before making any cross-border property purchase.