Chapter III · Taxation of income

Article 13 Capital Gains

Artigo 13.º · Mais-valias

Convenção Portugal–Reino Unido · signed 15 September 2025 · in force 29 December 2025 · English: authentic text

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1. Gains derived by a resident of a Contracting State from the alienation of immovable property referred to in Article 6 and situated in the other Contracting State may be taxed in that other State.

1 - Os ganhos que um residente de um Estado Contratante aufira da alienação de bens imobiliários referidos no artigo 6.º e situados no outro Estado Contratante podem ser tributados nesse outro Estado.

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2. Gains derived by a resident of a Contracting State from the alienation of shares or comparable interests, such as interests in a partnership or trust, may be taxed in the other Contracting State if, at any time during the 365 days preceding the alienation, these shares or comparable interests derived more than 50 per cent of their value directly or indirectly from immovable property, as defined in Article 6, situated in that other State

2 - Os ganhos que um residente de um Estado Contratante aufira da alienação de partes de capital ou direitos similares, tais como os direitos numa sociedade de pessoas (partnership) ou numa estrutura fiduciária (trust), podem ser tributados no outro Estado Contratante quando, em qualquer momento durante os 365 dias anteriores à alienação, o valor dessas partes de capital ou direitos similares resulte, direta ou indiretamente, em mais de 50 %, de bens imobiliários, tal como definidos no artigo 6.º, situados nesse outro Estado.

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3. Gains from the alienation of movable property forming part of the business property of a permanent establishment which an enterprise of a Contracting State has in the other Contracting State, including such gains from the alienation of such a permanent establishment (alone or with the whole enterprise), may be taxed in that other State.

3 - Os ganhos provenientes da alienação de bens mobiliários que façam parte do ativo de um estabelecimento estável que uma empresa de um Estado Contratante tenha no outro Estado Contratante, incluindo os ganhos provenientes da alienação desse estabelecimento estável (isolado ou com o conjunto da empresa), podem ser tributados nesse outro Estado.

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4. Gains that an enterprise of a Contracting State that operates ships or aircraft in international traffic derives from the alienation of such ships or aircraft, or of movable property pertaining to the operation of such ships or aircraft, shall be taxable only in that State.

4 - Os ganhos que uma empresa de um Estado Contratante que explore navios ou aeronaves no tráfego internacional aufira da alienação desses navios ou aeronaves, ou de bens mobiliários afetos à exploração desses navios ou aeronaves, só podem ser tributados nesse Estado.

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5. Gains from the alienation of any property other than that referred to in paragraphs 1, 2, 3 and 4, shall be taxable only in the Contracting State of which the alienator is a resident.

5 - Os ganhos provenientes da alienação de quaisquer outros bens diferentes dos mencionados nos números 1, 2, 3 e 4 só podem ser tributados no Estado Contratante de que o alienante é residente.

Paying or receiving income between Portugal and the United Kingdom? Article 13 may decide where it is taxed.

We apply tax treaties to dividends, interest, royalties, salaries and gains, prepare the relief-at-source form and refund claims, and check structures against the treaty’s anti-abuse rules. A written answer and a fixed quote within one working day.

The English column is an authentic text of the Convention, reproduced from the text published on GOV.UK by HM Revenue & Customs. The Convention was done in Portuguese and English, each text being authentic. The Portuguese text is reproduced from the official publication. Editorial notes are ours and are not part of the Convention.

Applying the law

Treaty relief between Portugal and the United Kingdom, claimed correctly

Treaty rates are not automatic in Portugal: the recipient must give the payer a form certified by its own tax authority before the tax is due, or claim a refund afterwards. We check which article applies, the rate and the paperwork.

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