Affordable rent · RSAA
Affordable rent in Alter do Chão: RSAA rent ceilings
Under the RSAA, the monthly rent in Alter do Chão cannot exceed €224 for a T0, €308 for a T1, €392 for a T2 or €475 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: Sacavem1 · CC BY-SA 3.0 · Wikimedia Commons
Key figures
Monthly ceilings in Alter do Chão
The T2 ceiling ranks 199th highest of 308 municipalities and 2nd of 15 in the Portalegre district. The same ceilings apply to Aguiar da Beira, Alcanena, Alfândega da Fé, Alijó, Almeida, Amarante and 90 more.
- T0, maximum rent per month
- €224
- T1, maximum rent per month
- €308
- T2, maximum rent per month
- €392
- T3, maximum rent per month
- €475
Simulator
Work out the ceiling for your property
The ceilings
Rent ceilings by size in Alter do Chão
| Size | Ceiling | +10% parking | +10% class A or A+ | +20% both |
|---|---|---|---|---|
| T0 | €224 | €246.40 | €246.40 | €268.80 |
| T1 | €308 | €338.80 | €338.80 | €369.60 |
| T2 | €392 | €431.20 | €431.20 | €470.40 |
| T3 | €475 | €522.50 | €522.50 | €570 |
| T4 | €531 | €584.10 | €584.10 | €637.20 |
| T5 | €587 | €645.70 | €645.70 | €704.40 |
Cumulative uplifts (art. 2(4)). Above T5, add €50 per bedroom beyond the fifth: a T6 has a ceiling of €637.
Looking for an affordable-rent home in Alter do Chão?
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 €308 for a T1, €392 for a T2.
IRS saved at the ceiling in Alter do Chão
A T2 in Alter do Chão let at the ceiling earns €4,704 a year. Outside the RSAA, IRS on that gross rent would reach €1,176 (25% rate) or €470.40 (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 | 224 | 2,688 | 672 | 268.80 | 0 |
| T1 | 308 | 3,696 | 924 | 369.60 | 0 |
| T2 | 392 | 4,704 | 1,176 | 470.40 | 0 |
| T3 | 475 | 5,700 | 1,425 | 570 | 0 |
| T4 | 531 | 6,372 | 1,593 | 637.20 | 0 |
| T5 | 587 | 7,044 | 1,761 | 704.40 | 0 |
Gross rent, no deductible expenses. Exemption: art. 6 of annex III. Rates: Landlord IRS in 2026.
Ceilings in the Portalegre district
Alter do Chão has the 2nd highest T2 ceiling of 15 municipalities in the Portalegre district. The highest is Ponte de Sor (€398) and the lowest is Sousel (€392). The district median is €392: Alter do Chão is in line with the median.
| Municipality | T0 (€/month) | T1 (€/month) | T2 (€/month) | T3 (€/month) | T2 market, est. (€/month) | Difference |
|---|---|---|---|---|---|---|
| Ponte de Sor | 239 | 308 | 398 | 490 | 515 | −23 % |
| Alter do Chão | 224 | 308 | 392 | 475 | – | – |
| Arronches | 224 | 308 | 392 | 475 | 355 | +10 % |
| Avis | 224 | 308 | 392 | 475 | – | – |
| Campo Maior | 224 | 308 | 392 | 475 | 325 | +21 % |
| Castelo de Vide | 224 | 308 | 392 | 475 | – | – |
| Crato | 224 | 308 | 392 | 475 | – | – |
| Elvas | 224 | 308 | 392 | 475 | 430 | −9 % |
| Fronteira | 224 | 308 | 392 | 475 | – | – |
| Gavião | 224 | 308 | 392 | 475 | – | – |
| Marvão | 224 | 308 | 392 | 475 | 290 | +35 % |
| Monforte | 224 | 308 | 392 | 475 | – | – |
| Nisa | 224 | 308 | 392 | 475 | – | – |
| Portalegre | 224 | 308 | 392 | 475 | 410 | −4 % |
| Sousel | 224 | 308 | 392 | 475 | 295 | +33 % |
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 Alter do Chão
What is the maximum rent for a T2 in Alter do Chão under the RSAA?
€392 a month, the 199th highest ceiling in the country. With private parking or an energy certificate of A or A+ it rises to €431.20; with both, to €470.40.
How does Alter do Chão compare with the other municipalities in the Portalegre district?
Alter do Chão has the 2nd highest T2 ceiling of 15 municipalities in the Portalegre district. The highest is Ponte de Sor (€398) and the lowest is Sousel (€392). The district median is €392: Alter do Chão is in line with the median.
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.