Portugal Property for UK Buyers 2026 -- IMT, Mortgages, Process and UK Tax

Last reviewed: 26 April 2026

Portugal property for UK buyers in 2026 has become an increasingly complex investment decision following the Finance Act 2025 change to residence-based UK IHT from 6 April 2025: UK nationals who are long-term UK residents (10 of the prior 20 tax years) and who purchase Portuguese property during the IHT tail period after departure have that Portuguese property within their worldwide UK IHT estate. Understanding this before committing to a Portuguese property purchase is essential for UK buyers. For the Portugal cost-of-living and lifestyle context, see our moving to Portugal guide. For the UK property investment framework that contextualises the Portuguese purchase, see our UK expat property guide.

Portugal property for UK buyers involves a specific sequence of legal and tax steps mandated by Portuguese law: first, obtaining a NIF (Número de Identificação Fiscal -- Portuguese tax identification number) from the Autoridade Tributária; second, engaging a Portuguese advogado (solicitor) for due diligence and conveyancing; third, signing a CPCV (Contrato-Promessa de Compra e Venda -- promise to buy and sell); and finally completing with the escritura (notarial deed of transfer) at the notary. The Portal das Finanças (portaldasfinancas.gov.pt) administers the Portuguese property tax system including IMT, Imposto de Selo, and annual IMI. AIMA (Agência para a Integração, Migrações e Asilo, aima.gov.pt) administers Portuguese residency for UK nationals post-Brexit, which may be relevant for UK buyers who also plan to live in the Portuguese property.

NIF: the first step for all UK buyers

A NIF (Número de Identificação Fiscal -- Portuguese fiscal identification number) is mandatory for all property transactions in Portugal. Without a NIF, no Portuguese bank account can be opened, no Portuguese utility contract can be signed, and no property purchase can be registered. UK nationals can obtain a NIF through two routes: in person at a Finanças office (tax authority office) in Portugal with a valid passport and proof of address; or by appointing a Portuguese fiscal representative (advogado, solicitor, or specialist NIF service) to apply on their behalf remotely from the UK. Remote NIF applications via a Portuguese fiscal representative are commonly used by UK buyers who have not yet relocated to Portugal; the fiscal representative provides their own Portuguese address for correspondence until the buyer has a Portuguese address. NIF applications via a fiscal representative typically cost EUR 100-300 (approximately £84-252) and take 1-10 working days. The Autoridade Tributária at portaldasfinancas.gov.pt administers NIF issuance; the NIF is also the tax reference number used for all Portuguese income tax, VAT, and property tax filings. A NIF is also required to open a Portuguese bank account (useful for paying IMI, utilities, and mortgage instalments from a Portuguese account).

IMT: Imposto Municipal sobre as Transmissões Onerosas de Imóveis (transfer tax)

IMT (Imposto Municipal sobre as Transmissões Onerosas de Imóveis) is Portugal’s property transfer tax, equivalent to UK Stamp Duty Land Tax, charged on the purchase price at completion. IMT rates for residential urban property purchased by individuals in mainland Portugal for 2025 (Portal das Finanças, portaldasfinancas.gov.pt): 1% on property values up to EUR 97,064; 2% on EUR 97,065-132,774; 5% on EUR 132,775-181,034; 7% on EUR 181,035-301,688; 8% on EUR 301,689-578,598; 6% flat rate above EUR 578,598 (for own-residence purchases); 7.5% flat rate above EUR 578,598 (for secondary/investment property). A EUR 0 exemption applies to first-home residential purchases below EUR 97,064. The IMT on a EUR 300,000 Algarve apartment purchased as a secondary/investment property by a UK buyer: IMT at 7% rate applies to EUR 301,688 threshold -- approximately EUR 17,000 in total IMT. IMT must be paid at the Finanças office before the escritura (completion). In addition, Imposto de Selo (stamp duty) at 0.8% of the purchase price applies to all property purchases; for a EUR 300,000 purchase, Imposto de Selo is EUR 2,400 (approximately £2,016). Portal das Finanças provides an IMT calculator at portaldasfinancas.gov.pt.

Annual IMI council tax and Adicional IMI (AIMI)

Annual IMI (Imposto Municipal sobre Imóveis) is Portugal’s equivalent of UK council tax for property owners. IMI rates for urban residential property in mainland Portugal (Portal das Finanças, portaldasfinancas.gov.pt): 0.3-0.45% of the VPT (Valor Património Tributário -- rateable value) per year, with the exact rate set by each municipality. The VPT is not the market purchase price; it is the tax rateable value assessed by the Finanças, typically well below market value for established properties (often 30-60% of purchase price). IMI is billed annually in April and payable in May or split instalments for larger bills. For a EUR 300,000 Algarve apartment with a VPT of, say, EUR 120,000: annual IMI at 0.35% = EUR 420 (approximately £353) per year. Adicional IMI (AIMI) applies to individuals with total VPT of residential property above EUR 600,000 at an additional rate of 0.7% (1% above EUR 1 million; 1.5% above EUR 2 million). AIMI was designed to tax high-value property portfolios; most UK buyers with a single Portuguese property stay below the AIMI threshold. Banco de Portugal (bportugal.pt) publishes Portuguese residential property price indices.

Non-resident mortgages for UK buyers

Portuguese banks offer mortgages to non-resident buyers, but at more restrictive terms than for Portuguese residents. Banco de Portugal (bportugal.pt) publishes Portuguese mortgage market data; at April 2026, Portuguese residential mortgage rates run approximately 4-5% (Euribor plus spread, following ECB rate movements). Key non-resident mortgage criteria from major Portuguese lenders (Caixa Geral de Depósitos, Millennium BCP, Novo Banco, BPI): maximum LTV (Loan-to-Value) for non-residents: typically 60-70% (UK residents can access up to 80-90% LTV for primary residence mortgages in Portugal, but non-residents are limited to 60-70%); minimum income thresholds: the monthly mortgage instalment typically cannot exceed 30-35% of net monthly income; income evidenced in GBP is accepted at a recognised exchange rate with a currency haircut of 10-20%; maximum mortgage term: typically 30-35 years, subject to the borrower’s age. For a UK buyer purchasing a EUR 300,000 Algarve property with a 65% LTV non-resident mortgage: the mortgage is EUR 195,000, with a monthly instalment at 4.5% over 25 years of approximately EUR 1,075 per month (approximately £903). Portuguese mortgage brokers (corretoras de crédito) registered with Banco de Portugal can access multiple lender rates; Banco de Portugal at bportugal.pt/en publishes mortgage comparison data.

The CPCV and escritura process

The Portuguese property purchase process has two main legal stages: the CPCV (Contrato-Promessa de Compra e Venda -- promise to buy and sell) and the escritura (notarial deed of transfer). The CPCV is a bilateral promise to complete the purchase on agreed terms; it is typically signed after the buyer’s NIF is in place, due diligence on the property title (at the Land Registry, conservatória do registo predial) has been completed, and the mortgage approval (if applicable) has been received. At the CPCV, the buyer typically pays a deposit of 10-20% of the purchase price; this deposit is forfeited if the buyer withdraws. If the seller withdraws, they must pay double the deposit to the buyer. The escritura is the final completion deed signed before a Portuguese notary; at the escritura, the buyer pays the balance, IMT, and Imposto de Selo; the notary registers the transfer at the Land Registry; and the property is formally transferred. Total transaction costs (legal fees, notary, registration, IMT, Imposto de Selo) for a EUR 300,000 purchase typically run approximately EUR 20,000-25,000 (approximately £16,800-£21,000), representing approximately 7-8% of the purchase price. A Portuguese advogado specialising in property (registo predial) handles due diligence, CPCV drafting, and escritura attendance; the Portuguese Law Society (ordem dos advogados, oa.pt) maintains a registered member directory.

UK tax angle: Finance Act 2025 IHT on Portuguese property

The Finance Act 2025 (effective 6 April 2025) introduced residence-based UK IHT, replacing the old domicile-based rules. Under the new rules, UK nationals who have been UK-resident in at least 10 of the prior 20 tax years are "long-term UK residents" subject to UK IHT on their worldwide estate -- including Portuguese property -- during a tail period after departure (up to 10 years after leaving UK tax residency). For UK buyers who are within the IHT tail period at the time of purchasing a Portuguese property: the Portuguese property is included in the worldwide UK IHT estate at 40% above the nil-rate band (£325,000 for 2025/26, frozen to April 2030). This means a UK national who left the UK in 2023 after 15 years of UK residency, and who buys a EUR 400,000 Portuguese property in 2026: the Portuguese property is within the UK IHT estate at 40% above £325,000 combined worldwide estate, during the IHT tail period (approximately 8-9 years for this profile). Portuguese property does not currently attract Portuguese inheritance tax (Imposto sobre as Sucessões e Doações -- Portugal abolished inheritance tax between direct descendants in 2004); however, Imposto do Selo at 10% applies to inheritance by non-direct-line relatives. HMRC’s IHT guidance at gov.uk/inheritance-tax covers the Finance Act 2025 residence-based rules. Specialist UK-Portugal cross-border estate planning advice is essential before purchasing Portuguese property for UK long-term residents within the IHT tail period.

This article is for general information only and does not constitute tax, legal, financial or immigration advice. Rules and rates change; verify with the primary sources cited or consult a qualified adviser before acting.

FAQ

What is IMT and how much does it cost on a EUR 300,000 Portuguese property?

IMT (Imposto Municipal sobre as Transmissões Onerosas de Imóveis) is Portugal’s property transfer tax, equivalent to UK SDLT. For a EUR 300,000 secondary/investment residential purchase: the applicable IMT rate is 7% (Portal das Finanças, portaldasfinancas.gov.pt); total IMT is approximately EUR 17,000 (approximately £14,280). Imposto de Selo (stamp duty) at 0.8% adds EUR 2,400 (approximately £2,016). Total transfer taxes on a EUR 300,000 purchase: approximately EUR 19,400 (approximately £16,296). IMT and Imposto de Selo must be paid before the escritura (completion deed).

Do I need a NIF before buying property in Portugal?

Yes. A NIF (Número de Identificação Fiscal) is mandatory for all Portuguese property purchases, bank account opening, and utility registration. UK buyers who are not yet resident in Portugal can obtain a NIF remotely by appointing a Portuguese fiscal representative (advogado or specialist service) who applies on their behalf; remote NIF applications typically take 1-10 working days and cost EUR 100-300 (approximately £84-252). The Portal das Finanças (portaldasfinancas.gov.pt) administers NIF issuance.

What LTV can UK buyers get on a Portuguese non-resident mortgage?

Portuguese lenders typically offer non-resident buyers a maximum LTV of 60-70% (versus 80-90% for Portuguese residents purchasing a primary residence). At April 2026, Portuguese mortgage rates run approximately 4-5% (Euribor plus spread, Banco de Portugal, bportugal.pt). Income in GBP is accepted at a recognised exchange rate with a 10-20% currency haircut. The monthly instalment typically cannot exceed 30-35% of net monthly income. Portuguese mortgage brokers registered with Banco de Portugal can access multiple lender rates.

How does Finance Act 2025 IHT affect UK buyers of Portuguese property?

Finance Act 2025 (from 6 April 2025) introduced residence-based UK IHT: long-term UK residents (10 of the prior 20 tax years) have worldwide IHT exposure including Portuguese property during a tail period (up to 10 years) after departure. Portuguese property purchased by a UK long-term resident within the IHT tail period is included in the worldwide UK IHT estate at 40% above the nil-rate band (£325,000). Portugal abolished inheritance tax between direct descendants in 2004; however, UK IHT still applies for qualifying UK nationals. HMRC’s IHT guidance at gov.uk/inheritance-tax covers the new rules.

What is the CPCV and how does it differ from the escritura?

The CPCV (Contrato-Promessa de Compra e Venda) is a bilateral promise to complete a Portuguese property purchase on agreed terms, signed after due diligence and mortgage approval. At the CPCV, the buyer pays a 10-20% deposit (forfeited if the buyer withdraws; doubled and returned by the seller if the seller withdraws). The escritura is the final completion deed signed before a notary, at which the balance, IMT, and Imposto de Selo are paid and the transfer is registered at the Land Registry. A Portuguese advogado handles due diligence, CPCV drafting, and escritura attendance.

What is annual IMI and how much does it cost?

IMI (Imposto Municipal sobre Imóveis) is Portugal’s annual property ownership tax, equivalent to UK council tax. IMI rates run 0.3-0.45% of the VPT (rateable value, typically well below market value). For a EUR 300,000 Algarve apartment with a VPT of EUR 120,000: annual IMI at 0.35% = EUR 420 (approximately £353) per year. Adicional IMI (AIMI) applies to individuals with total residential property VPT above EUR 600,000 at 0.7%. IMI is billed annually in April and payable in May or split instalments. Portal das Finanças (portaldasfinancas.gov.pt) administers IMI billing and payment.

Sources

1. Portal das Finanças -- IMT rates, Imposto de Selo, IMI and AIMI for Portuguese property purchases (verified 26 April 2026)
2. Banco de Portugal -- Portuguese mortgage market data and residential property price indices (verified 26 April 2026)
3. AIMA -- NIF applications and Portuguese residency for UK nationals post-Brexit (verified 26 April 2026)
4. GOV.UK -- UK IHT: Finance Act 2025 residence-based IHT from 6 April 2025 (verified 26 April 2026)
5. GOV.UK -- UK-Portugal Double Taxation Convention (verified 26 April 2026)