2027 Portugal State Budget: New tax incentives for renting out your rooms on Roomlala

Do you own an unoccupied room in your house or apartment in Portugal? As the Portugal housing crisis continues to dominate the headlines, the government has decided to take decisive action. This autumn 2026, all attention is focused on the presentation of the State Budget draft. At Roomlala, we have analysed the measures of this 2027 Portugal housing state budget in detail for you. The public authorities' goal is clear: to massively encourage long-term rentals by offering unprecedented tax benefits to hosts. This is the perfect time to consider renting out your available space.

Property taxation can sometimes seem complex, but the announcements of recent weeks have completely changed the game. Gone are the punitive taxes that discouraged renting out! The new paradigm is based on incentivising and rewarding hosts who embrace affordable rents. We will decode the inner workings of these new measures for you, from tax cuts to new caps, so that you can rent out with peace of mind while optimising your income.

See also: IRS exemption and reduction for property rentals in Portugal: New features for 2026, IRS tax reduction in 2026: Why renting out a room in your primary residence in Portugal is becoming very profitable and Rise in rental costs in Switzerland (Winter 2026): Renting out a room to balance your budget

Whether you want to host an international student, a young Portuguese professional, or even an employee posted by their company, the new rules from autumn 2026 are designed to make your life easier. Discover in this complete guide how current budget discussions will impact your taxes and why it is strategic to prepare your listing on Roomlala today.

2027 Portugal housing state budget: The great fiscal turning point of autumn 2026

The State Budget draft for 2027 (OE 2027) marks a real turning point in housing policy in Portugal. Presented in October 2026, this bill provides for a massive financial effort by the State. Out of a total envelope of 303 million euros dedicated to housing tax measures, no less than 209 million euros are specifically allocated to the reduction of personal income tax (IRS) for hosts. At Roomlala, we see this initiative as a golden opportunity for our hosts.

It is important to keep in mind that this budget is currently under parliamentary negotiation this autumn 2026. The debates are lively, and the final conditions for applying tax benefits may still be slightly adjusted before the final vote. However, the direction is clear: the Portuguese State is absolutely determined to get homes and rooms back onto the long-term rental market to stem the housing crisis.

For hosts, this means you need to be ready. Understanding these mechanisms now will allow you to anticipate the signing of your future leases. Let us take a closer look at the two flagship measures that will shake up Portugal long-term rental taxation.

A historic cut in IRS from 25% to 10%

The most spectacular measure of the 2027 budget is undoubtedly the drastic reduction in income tax (IRS) on rent collected. The government has approved a reduction from 25% to 10% for hosts who commit to charging moderate rents. This halving of the tax burden is a powerful incentive to rent out your vacant rooms rather than letting them gather dust.

Let's take a concrete example: if you rent a room in Lisbon for 400 euros per month, your annual rental income amounts to 4,800 euros. Under the old 25% regime, you would have had to pay 1,200 euros in tax. With the new 10% rate planned for 2027, your tax drops to 480 euros. That is a net saving of 720 euros per year, straight into your pocket!

At Roomlala, we strongly encourage our users to take advantage of this scheme. Not only do you increase your net profitability, but you also offer accommodation at a fair price for a tenant who desperately needs it. It is a win-win situation, supported by a strong political will to reward supportive hosts.

The new Simplified Affordable Rental Regime (RSAA)

In parallel with the IRS reduction, autumn 2026 sees the testing phase of the brand new Simplified Affordable Rental Regime (RSAA). This scheme was designed to eliminate the bureaucratic hurdles that previously held back hosts. The principle is simple: guaranteed tax benefits in exchange for capped rents, with administrative procedures simplified as much as possible.

The RSAA is intended to be the pragmatic response to criticisms of previous affordable housing programmes. Here is what you need to remember about this new regime:

• Simplified registration directly via the Finance Portal (Portal das Finanças).
• Automatic validation of eligibility if the rental contract respects local caps.
• A State guarantee in the event of a prolonged dispute, thus securing the host's investment.

By choosing to rent via Roomlala under the RSAA scheme, you ensure total peace of mind. You actively participate in resolving the housing crisis while benefiting from a protective and extremely fiscally advantageous legal framework.

Portugal long-term rental taxation: The golden rules to follow

Of course, to benefit from these 2026 Portugal host tax benefits, there are specific rules to follow. The Portuguese State does not hand out these tax gifts without a counterpart. The goal is to ensure that the homes put on the market are truly accessible to the middle class, students, and young workers. At Roomlala, we are here to help you understand these eligibility criteria.

The first rule concerns the duration. We are talking here about long-term rentals intended for the tenant's primary or temporary residence (for studies or work), as opposed to short-term tourist rentals (Alojamento Local). Leases must generally be signed for a minimum duration of one year, renewable, to qualify for the maximum IRS reductions.

But the strictest condition, and the one you must be most vigilant about, concerns the amount of rent you set. Let's see how to calculate the fair price to stay within the OE 2027 guidelines.

Rents capped at 80% of the local median

For the reduced 10% IRS rate to apply (or to benefit from RSAA exemptions), the rent for the room or property must not exceed legal caps. According to the texts currently under discussion, this ceiling is set at 80% of the median rent value recorded by the National Statistics Institute (INE) for your municipality.

Concretely, this means you must consult the latest INE data for your municipality. If the median rent for a T1 in Porto is estimated at 800 euros, the cap to benefit from aid would be 640 euros. If you are only renting out a room, a pro-rata calculation of the surface area or a specific scale by type (established by the government) will be applied.

Even if this means renting slightly below the free market price, the calculation remains largely in the host's favour thanks to the spectacular drop in Portugal room rental taxes. You earn less in gross, but you keep much more in net, all while ensuring you find a serious and solvent tenant in record time.

Annual rent adjustment set at 2.56%

Another crucial piece of information confirmed in September 2026 concerns the evolution of your rents over time. The INE has published the definitive reference inflation figures, setting the annual rent adjustment cap for the year 2027 at 2.56%. This figure is an essential benchmark for managing your rental contracts.

If you sign a lease in autumn 2026, you will already know that you will only be able to increase this rent by 2.56% when it is renewed in 2027, provided this clause is included in your contract. This measure aims to protect the purchasing power of tenants in the face of inflation, while ensuring a small revaluation for hosts.

At Roomlala, we advise you to take this 2.56% rate into account when setting your initial rent. Think long-term: a tenant who feels respected and whose rent remains stable is a tenant who stays for a long time, takes care of your property, and spares you from costly months of rental vacancy.

Portugal room rental taxes: Unexpected opportunities

The beauty of the new OE 2027 measures lies in their flexibility. The legislator understood that the housing market was diverse and has therefore expanded the scope of possibilities for hosts. Renting out a room is no longer limited to just hosting university students, although that remains a central pillar.

New opportunities are emerging, particularly from the business world. The Portuguese tax authority (the Fisco) recently clarified some grey areas, paving the way for very secure rental arrangements for hosts. We will explore two ideal tenant profiles for making your unoccupied room profitable while taking advantage of the favourable tax regime.

Regardless of the profile you choose, Roomlala provides you with a secure platform to verify profiles, exchange with candidates, and set up clear contracts, ensuring a positive human and financial experience.

Securing your income with students and young professionals

This is Roomlala's historical core business: connecting hosts with a spare room and students or young professionals looking for affordable housing. With the housing crisis in Portugal, university cities like Lisbon, Porto, Coimbra, or Braga are under very high pressure. Many young people struggle to find a roof over their heads to pursue their studies.

By renting your room to this demographic, you meet an urgent societal need. In return, the State rewards you with this famous 10% IRS rate. Young professionals, often at the start of their careers, also represent an excellent profile: they have a regular income, seek stability, and are generally very respectful of house rules.

Furthermore, renting to a student or a young worker often brings a reassuring presence and life into a home. It is a rich intergenerational or cultural exchange that goes beyond the simple financial framework. With the new OE 2027 incentives, this act of solidarity also becomes the most rational financial decision for your assets.

The 2026 novelty: renting to companies for their employees

This is the great clarification of the new season! In September 2026, the Fisco issued a highly anticipated decision regarding leases signed directly with legal entities (companies). Good news: the reduced 10% IRS rate also applies even if the lease is signed with a company, under one strict condition.

For this to work, the rental contract must explicitly state that the property (or room) is intended for the housing of a specific worker, whose name must appear on the lease. The company cannot use this accommodation as a rotating 'dormitory' for different employees over the months.

Let's imagine a use case: a tech company relocates an engineer to Porto for a one-year assignment. The company signs the lease with you on Roomlala, guaranteeing the rent payment with its solid treasury, and places its engineer in your room. You benefit from maximum payment security (the risk of non-payment by a large company is almost zero) while keeping your 10% tax advantage. This is an exceptional opportunity for hosts!

2026 Portugal host tax benefits: Prepare yourself with Roomlala

The OE 2027 state budget draft is a godsend for Portuguese hosts. Although parliamentary negotiations in autumn 2026 may still make some minor adjustments, the course is set: long-term and affordable rentals will be massively supported by historic tax cuts. The reduction of the IRS to 10% and the launch of the RSAA are strong signals that should encourage you to act.

Why wait for the final vote to prepare? The demand for housing is already there, and it is pressing. By publishing your room-for-rent listing on Roomlala today, you get a head start. You will be able to start exchanging with potential tenants, evaluating profiles (students, young professionals, company employees), and preparing your contracts to be ready as soon as the new laws come into force.

At Roomlala, we make it a point of honour to secure your processes. Our platform offers you contract templates, secure messaging, and a reliable payment system. Do not let your empty room cost you money. Transform it into a tax-optimised source of income and actively participate in resolving the housing crisis in Portugal. Join the Roomlala host community and take full advantage of the opportunities of 2027!