Portugal cuts VAT to 6% and halves rental taxes — what investors must know

Portugal’s big bet on housing: what Construir Portugal means for real estate Portugal

Portugal has just launched a tax package that changes the rules for anyone who owns, builds or finances housing here. If you follow the real estate Portugal market, the Construir Portugal programme is the most significant set of fiscal incentives for residential property since the last major tax reform. Within a few paragraphs we’ll explain the headline measures and give practical guidance: how to structure deals, what to watch in contracts, and where the real risks lie.

How this affects buyers, developers and funds

The programme is aimed at increasing housing supply and boosting affordable rental options. That is good news for investors looking to improve after-tax yields and for developers who face rising construction costs. But the new rules are conditional, time-limited and administratively demanding, so success depends on legal and fiscal planning from day one.

What is Construir Portugal? An overview

Construir Portugal is a coordinated set of tax measures focused on housing construction, rehabilitation and rental. It changes rules across personal income tax (PIT), corporate income tax (CIT), value-added tax (VAT) and property taxes, and it creates contractual frameworks to deliver long-term certainty for large projects.

Key facts at a glance:

• Reduced PIT rate of 10% on residential rental income for individual landlords where rents do not exceed €2,300 per month, for leases entered by 31 December 2029.
• Corporate investors include only 50% of qualifying rental income in the CIT base for rents up to €2,300 per month until 31 December 2029.
• VAT cut from 23% to 6% on construction and rehabilitation works meeting specific sale or rental conditions; effective 1 January 2026 through 31 December 2032 for qualifying projects initiated after 25 September 2025.
• Introduction of long-term investment contracts for housing rental (CIA) – contracts of up to 25 years with a package of tax exemptions and a rebalancing mechanism.
• Targeted incentives for alternative investment undertakings (OIA) that allocate assets to affordable housing, including a 5% withholding tax on qualifying distributions and up to 30% exclusion of taxable income depending on allocation to affordable assets.

These measures are modular: investors can mix OIA structures, CIAs, and the simplified accessible rental regime (RSAA) to fit project size and exit strategies.

The tax mechanics: PIT, CIT and OIA rules explained

Understanding how each tax change feeds cash flow is essential when modelling returns.

PIT (individual landlords)

• Autonomous PIT rate of 10% on residential rental income where rent ≤ €2,300/month for leases entered into by 31 December 2029.
• A capital gains reinvestment exclusion lets individuals exclude gains if proceeds are reinvested in residential property for moderate rents within a window of 24 months before to 36 months after the disposal.

CIT (companies and corporate vehicles)

• For corporate taxpayers, only 50% of qualifying rental income is included in the CIT base for contracts with rents at or below €2,300/month. This effectively halves the taxable rental revenue until 31 December 2029.
• This reduction stacks with planned corporate rate declines in Portugal’s tax calendar (headline CIT reducing from 19% in 2025 to 17% by 2028), improving effective tax rates on qualifying rental income.

OIA (alternative investment undertakings)

• To qualify, an OIA must be constituted or amended by 31 December 2029, allocate at least 5% of assets to affordable rental contracts or the RSAA and lease those assets within one year of formation or amendment.
• Tax benefits:
  • Withholding tax on qualifying distributions: 5% (reduced from the usual 10% for non-resident investors).
  • Up to 30% exclusion from taxable income where >50% of the OIA portfolio is in eligible housing.
  • 25% reduction in quarterly stamp duty on net asset value for qualifying vehicles.

These provisions make fund structures more tax efficient for institutional capital targeting Portuguese housing, especially when combined with CIT/PIT advantages.

CIAs and RSAA: contract frameworks that promise predictability

Construir Portugal includes two contractual frameworks designed to lock in tax and regulatory conditions.

Investment contracts for housing rental (CIA)

CIAs are bilateral contracts with the state housing authority (IHRU) for up to 25 years. To qualify:

• ≥70% of construction area must be for residential letting;
• Rents must not exceed €2,300/month;
• The investor must have technical capacity and organised accounting.

Tax and administrative benefits under a CIA include:

• Reduced VAT rate (6%) on construction and rehabilitation works;
• 50% restitution of VAT on architecture and engineering services;
• Exemption from property transfer tax on land/building purchases for rental purposes (subject to municipal approval);
• IMI (municipal property tax) exemption for up to 8 years, then a 50% reduction for the rest of the CIA term;
• Exemption from stamp duty on property transfers covered by the contract;
• 50% reduction in stamp duty on certain financial operations related to OIAs covered by the CIA, proportional to assets allocated to rental housing.

Importantly, CIAs include an economic-financial rebalancing mechanism: where legislative or regulatory changes materially affect rent-setting or contractual conditions, investors can seek rebalancing that extends to tax terms. This is the explicit offer of tax stability that many institutional investors require.

RSAA (Simplified Accessible Rental Regime)

The RSAA is a lighter route for individual leases. To qualify, rents must be at or below 80% of the municipal average rent published by the national statistics institute, and the lease must be at least three years. Under RSAA, rental income is fully exempt from PIT and CIT.

VAT and construction: where the real savings happen

The most visible fiscal change is the VAT move. Construction and significant rehabilitation works now qualify for a 6% VAT rate in two scenarios:

• Where the property is sold for owner-occupation and the sale price does not exceed €648,022, provided the sale is completed within 24 months of the occupancy certificate; or
• Where the property is destined for rental with rents ≤ €2,300/month, the first lease must begin within 24 months of the property becoming legally habitable and must remain leased for at least 36 months in the first five years.

The reduced VAT applies to urban development operations initiated from 25 September 2025, with VAT chargeability starting 1 January 2026 and remaining in place until 31 December 2032. There is a regularisation regime: if qualifying conditions cease, the promoter must repay the VAT benefit.

A key administrative change is the broader use of the reverse-charge mechanism for construction services, placing responsibility on the promoter to apply the correct VAT rate. This shifts compliance and cash-flow mechanics and means promoters must register and control VAT application directly.

How to structure investments under Construir Portugal: practical steps

For investors and operators, tax engineering is now a core part of project design. From our analysis, these steps matter:

1. Early-stage eligibility screening

• Confirm rent caps, sale-price ceilings and timing conditions against the project’s business plan.
• Determine whether the project is best suited to CIA, RSAA or a standard model combined with an OIA.

2. Choose legal vehicle and tax wrapper

• For institutional capital, an OIA with a clear allocation to affordable housing can unlock withholding and taxable-income benefits.
• For large build-to-rent schemes, negotiate a CIA with IHRU to lock in IMI, IMT and stamp duty advantages.

3. Timing and documentation

• CIAs and OIAs must be constituted or amended before 31 December 2029; VAT benefits depend on project initiation dates from 25 September 2025 and VAT chargeability from 1 January 2026.
• Ensure lease commencement dates and minimum occupancy periods are contractually protected.

4. Municipal approvals and planning

• Many land transfer and IMI exemptions require municipal sign-off. Local authority support can be decisive.
• Build the municipal approval timeline into financial models.

5. Accounting, reporting and compliance

• Maintain organised accounting as CIAs require technical capacity and transparent records.
• Prepare for reverse-charge VAT administration and possible VAT clawbacks if conditions are not met.

6. Stress-test exit scenarios

• Model returns both with and without the tax benefits, since many incentives are time-limited and conditional.

Risks, limits and what could go wrong

Construir Portugal is generous, but not risk-free. Investors should balance advantages with pragmatic warnings.

• Time limits matter: many tax benefits expire on 31 December 2029.