Affordable rent · RSAA
Affordable rent in Porto de Mós: RSAA rent ceilings
Under the RSAA, the monthly rent in Porto de Mós cannot exceed €254 for a T0, €325 for a T1, €423 for a T2 or €521 for a T3. In return, the rent is exempt from IRS.
- Official source: Diário da República
- Portaria n.º 454/2026/1
- Data of 22 October 2026
Photo: Vitor Oliveira from Torres Vedras, PORTUGAL · CC BY 2.0 · Wikimedia Commons
Key figures
Monthly ceilings in Porto de Mós
The T2 ceiling ranks 188th highest of 308 municipalities and 14th of 16 in the Leiria district. The same ceilings apply to Reguengos de Monsaraz.
- T0, maximum rent per month
- €254
- T1, maximum rent per month
- €325
- T2, maximum rent per month
- €423
- T3, maximum rent per month
- €521
Simulator
Work out the ceiling for your property
The ceilings
Rent ceilings by size in Porto de Mós
| Size | Ceiling | +10% parking | +10% class A or A+ | +20% both |
|---|---|---|---|---|
| T0 | €254 | €279.40 | €279.40 | €304.80 |
| T1 | €325 | €357.50 | €357.50 | €390 |
| T2 | €423 | €465.30 | €465.30 | €507.60 |
| T3 | €521 | €573.10 | €573.10 | €625.20 |
| T4 | €570 | €627 | €627 | €684 |
| T5 | €668 | €734.80 | €734.80 | €801.60 |
Cumulative uplifts (art. 2(4)). Above T5, add €50 per bedroom beyond the fifth: a T6 has a ceiling of €718.
The ceiling against the Porto de Mós market
The T2 ceiling (€423) is 10% below the market estimate: letting at the ceiling costs the landlord about €47 a month. The quartiles of the T2 estimate run from €300 to €590: the ceiling sits between the 1st quartile and the median. With private parking and class A or A+, the T2 ceiling rises to €507.60 and covers the estimate.
| Size | RSAA ceiling (€/month) | Market est. (€/month) | Difference | Ceiling (€/m²) | Market (€/m²) |
|---|---|---|---|---|---|
| T1 · 48 m² | 325 | 370 | −12 % | 6.77 | 7.71 |
| T2 · 85 m² | 423 | 470 | −10 % | 4.98 | 5.53 |
| T3 · 115 m² | 521 | 555 | −6 % | 4.53 | 4.83 |
Aluseg estimate, not an official figure: INE median of €5.43/m² (2025, 275 new leases) × INE size ratio for Região de Leiria × reference floor area. See the Porto de Mós rental market.
The ceiling against income in Porto de Mós
A person on the median income in Porto de Mós receives €1,014 a month after income tax (INE, 2024). The T2 ceiling (€423) takes 42 % of that income, against 46 % for the market rent (€470). For a couple on two median incomes, 21 % against 23 %.
Income per person after income tax, not household income: see how we read this number.
Looking for an affordable-rent home in Porto de Mós?
Ask the landlord whether the lease will be in the RSAA (they file it with the IHRU, art. 6) and check the advert: up to €325 for a T1, €423 for a T2.
IRS saved at the ceiling in Porto de Mós
A T2 in Porto de Mós let at the ceiling earns €5,076 a year. Outside the RSAA, IRS on that gross rent would reach €1,269 (25% rate) or €507.60 (10% rate, for rents up to €2,300 a month). Under the RSAA, the tax is €0.
| Size | Rent at the ceiling (€/month) | Rent per year (€) | IRS at 25% (€/year) | IRS at 10% (€/year) | IRS under the RSAA (€/year) |
|---|---|---|---|---|---|
| T0 | 254 | 3,048 | 762 | 304.80 | 0 |
| T1 | 325 | 3,900 | 975 | 390 | 0 |
| T2 | 423 | 5,076 | 1,269 | 507.60 | 0 |
| T3 | 521 | 6,252 | 1,563 | 625.20 | 0 |
| T4 | 570 | 6,840 | 1,710 | 684 | 0 |
| T5 | 668 | 8,016 | 2,004 | 801.60 | 0 |
Gross rent, no deductible expenses. Exemption: art. 6 of annex III. Rates: Landlord IRS in 2026.
Ceilings in the Leiria district
Porto de Mós has the 14th highest T2 ceiling of 16 municipalities in the Leiria district. The highest is Nazaré (€678) and the lowest is Ansião (€392). The district median is €504: Porto de Mós is 16% below the median.
| Municipality | T0 (€/month) | T1 (€/month) | T2 (€/month) | T3 (€/month) | T2 market, est. (€/month) | Difference |
|---|---|---|---|---|---|---|
| Nazaré | 407 | 531 | 678 | 835 | 735 | −8 % |
| Caldas da Rainha | 378 | 485 | 631 | 777 | 710 | −11 % |
| Óbidos | 372 | 477 | 620 | 764 | 695 | −11 % |
| Leiria | 358 | 458 | 596 | 734 | 650 | −8 % |
| Peniche | 355 | 454 | 591 | 728 | 675 | −12 % |
| Alcobaça | 318 | 408 | 530 | 653 | 595 | −11 % |
| Bombarral | 304 | 390 | 507 | 624 | 570 | −11 % |
| Alvaiázere | 280 | 392 | 504 | 587 | 360 | +40 % |
| Castanheira de Pêra | 280 | 392 | 504 | 587 | 400 | +26 % |
| Figueiró dos Vinhos | 280 | 392 | 504 | 587 | 340 | +48 % |
| Marinha Grande | 292 | 392 | 504 | 600 | 530 | −5 % |
| Pedrógão Grande | 280 | 392 | 504 | 587 | 375 | +34 % |
| Batalha | 290 | 371 | 483 | 595 | 550 | −12 % |
| Pombal | 254 | 325 | 423 | 520 | 470 | −10 % |
| Porto de Mós | 254 | 325 | 423 | 521 | 470 | −10 % |
| Ansião | 224 | 308 | 392 | 475 | 385 | +2 % |
From the highest T2 ceiling to the lowest. Market: Aluseg estimate from INE data; – = no data.
Rent under the RSAA with everything in order
Lease, Tax Authority and rent receipts in a free account.
FAQ: affordable rent in Porto de Mós
What is the maximum rent for a T2 in Porto de Mós under the RSAA?
€423 a month, the 188th highest ceiling in the country. With private parking or an energy certificate of A or A+ it rises to €465.30; with both, to €507.60.
Is the T2 ceiling in Porto de Mós above or below the market rent?
It is 10% below the Aluseg estimate for an 85 m² T2, about €470 a month (INE, 2025).
How do I get the IRS exemption?
Report the lease to the Tax Authority and file it with the IHRU by 15 January of the following year. See the RSAA guide.
What if the rent goes over the ceiling?
The exemption is lost from the breach and the tax is settled with compensatory interest (art. 7 of annex III).
Sources and methodology
Source: Portaria n.º 454/2026/1, de 13 de outubro (PDF) and Decree-Law 97/2026, annex III, read on 22 October 2026. Uplifts calculated by us (art. 2(4)). For information only, not legal or tax advice.