Capital Gains Tax in Italy: What Happens if You Sell Your Sicilian Villa Within 5 Years

By Arch. Fabio Costanzo, Studio 4e · Updated: March 2026

Italy does not have a dedicated capital gains tax on property — instead, gains from property sold within 5 years of purchase are subject to IRPEF (income tax) or an optional 26% substitute tax. For foreign owners, the interaction with home-country tax treaties adds complexity. Get this wrong and you may pay tax twice on the same gain.

The 5-year rule: when Italian law taxes property gains

Under art.67 of the Italian TUIR (Testo Unico Imposte sui Redditi, D.P.R. 917/1986), gains from the sale of property are taxable in Italy only if the property is sold within 5 years of purchase. After 5 years, the gain is entirely exempt from Italian tax — no capital gains tax of any kind.

Important exceptions to the 5-year exemption:

• Prima casa exemption: even within 5 years, gains on the sale of a property that has been your primary residence (residenza anagrafica) for most of the period of ownership are exempt. For foreign owners who have never established Italian residency, this exemption is almost never available.
• Inherited property: if you inherited the property (rather than purchased it), the 5-year clock starts from when the deceased originally acquired it — not from when you inherited it. This frequently means inherited Sicilian property can be sold immediately without Italian capital gains tax.
• Gifts: property received as a gift is treated differently from 2024 onwards — the donee's 5-year period starts from the donor's original purchase date, closing a previous loophole.

How the gain is calculated: purchase price vs sale price adjustments

The taxable gain is: (Sale price) − (Purchase price + documented costs of acquisition and improvement).

Deductible costs that reduce the taxable gain:

• Notaio fees paid on purchase
• Registration and cadastral taxes paid on purchase (imposta di registro, ipotecaria, catastale)
• Agency commission paid on purchase (with invoice)
• Documented renovation costs (only works with building permits and paid via traceable transfer — bonifico bancario with causale "lavori edili art.16-bis TUIR")
• Agent's commission on the sale (with invoice)

Renovation costs are particularly valuable deductions for buyers who have renovated extensively. A €250,000 purchase with €180,000 in documented renovations sold for €520,000 produces a taxable gain of €520,000 − €430,000 = €90,000, not €270,000. Keep every invoice from every contractor, architect, and supplier — in Italy, undocumented renovation costs cannot be deducted.

The two Italian tax options: ordinary income vs 26% substitute tax

If you sell within 5 years, you choose between:

Option 1 — IRPEF (ordinary income tax): the gain is added to your total Italian income for the year and taxed at marginal rates (23% up to €28,000, 35% up to €50,000, 43% above €50,000). For a non-resident with no other Italian income, only the property gain is assessed, so smaller gains may fall in the 23% bracket.

Option 2 — Imposta sostitutiva del 26%: since 2024, the substitute tax rate is 26% (raised from the previous 20%) on the net gain. This is paid to the notaio at closing (atto di vendita) and the gain is not declared in the annual tax return. For gains above approximately €70,000, this is usually more tax-efficient than the IRPEF marginal rate (which reaches 43%). For smaller gains, the IRPEF route may be cheaper.

Example calculation on a €120,000 gain:

For this gain level, the substitute tax is clearly more advantageous. Declare the choice to the notaio before the atto is signed — it cannot be changed after closing.

Double taxation: interaction with UK, US and other national tax systems

Italy has double taxation treaties with over 100 countries, including the UK, USA, Germany, France, the Netherlands and Switzerland. The Italy-UK treaty (1988, updated protocol 2021) and Italy-US treaty (1999) both cover immovable property gains: under both treaties, Italy has the right to tax gains from Italian property regardless of the seller's residence. The seller's home country also typically taxes the gain — but must give credit for the Italian tax paid.

For UK sellers: gains from Italian property are reportable on UK Self Assessment under the Foreign Property schedule. The Italian tax (whether IRPEF or the substitute tax) is creditable against the UK CGT liability. UK CGT rates are 18% or 24% (from autumn 2024) for residential property. If Italian tax exceeds UK tax, no additional UK tax is due — but if UK tax exceeds Italian tax, additional UK tax is payable on the difference.

For US sellers: the US taxes its citizens on worldwide income. Gains from Italian property are reported on Form 1040 (Schedule D). A Foreign Tax Credit (Form 1116) is available for Italian tax paid, subject to the passive income basket rules. US sellers should verify with a dual-qualified US/Italian CPA before closing — the interaction of the US-Italy treaty art.13 and the Foreign Tax Credit can produce unexpected outcomes depending on the buyer's overall tax position.

The rental income trap: how renovation affects your tax classification

If you have rented the property as a business (partita IVA, not as a private landlord using cedolare secca), the property may be classified as a business asset and capital gains taxed differently — potentially as business income (reddito d'impresa) rather than property income. This is relevant for buyers who registered as short-term rental operators with a partita IVA. Get this reviewed by an Italian commercialista before deciding to sell.

The 5-year exemption also does not apply to properties reclassified as trading stock by the tax authorities — rare, but possible for buyers who purchase and sell multiple properties within short periods and begin to look like property traders rather than investors.

Practical steps for a foreign seller in 2026

1. Gather all purchase documentation: original atto notarile, all invoices for purchase costs, all invoices for renovation works (sorted by year), bank transfer confirmations showing payment method.
2. Commission a gain calculation from an Italian commercialista: this should be done before listing the property, not after accepting an offer. It costs €300–600 but prevents surprises at closing.
3. Elect the substitute tax or IRPEF route with your notaio at least 30 days before the planned closing date.
4. Notify your home-country tax adviser: in the year of sale, the gain will need to be reported in your home-country tax return. The timing of payment and the credit for Italian tax must be coordinated.
5. Retain all closing documentation: the atto di vendita, the notaio's tax receipt, and the INAIL/CU form showing the withholding — these are needed for your home-country tax filing.