Affordable rent · RSAA
Affordable rent in Castelo Branco: RSAA rent ceilings
Under the RSAA, the monthly rent in Castelo Branco cannot exceed €244 for a T0, €312 for a T1, €406 for a T2 or €500 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
Key figures
Monthly ceilings in Castelo Branco
The T2 ceiling ranks 195th highest of 308 municipalities and 2nd of 11 in the Castelo Branco district.
- T0, maximum rent per month
- €244
- T1, maximum rent per month
- €312
- T2, maximum rent per month
- €406
- T3, maximum rent per month
- €500
Simulator
Work out the ceiling for your property
The ceilings
Rent ceilings by size in Castelo Branco
| Size | Ceiling | +10% parking | +10% class A or A+ | +20% both |
|---|---|---|---|---|
| T0 | €244 | €268.40 | €268.40 | €292.80 |
| T1 | €312 | €343.20 | €343.20 | €374.40 |
| T2 | €406 | €446.60 | €446.60 | €487.20 |
| T3 | €500 | €550 | €550 | €600 |
| T4 | €547 | €601.70 | €601.70 | €656.40 |
| T5 | €641 | €705.10 | €705.10 | €769.20 |
Cumulative uplifts (art. 2(4)). Above T5, add €50 per bedroom beyond the fifth: a T6 has a ceiling of €691.
The ceiling against the Castelo Branco market
The T2 ceiling (€406) is 14% below the market estimate: letting at the ceiling costs the landlord about €64 a month. The quartiles of the T2 estimate run from €335 to €630: the ceiling sits between the 1st quartile and the median. With private parking and class A or A+, the T2 ceiling rises to €487.20 and covers the estimate.
| Size | RSAA ceiling (€/month) | Market est. (€/month) | Difference | Ceiling (€/m²) | Market (€/m²) |
|---|---|---|---|---|---|
| T1 · 48 m² | 312 | 365 | −15 % | 6.50 | 7.60 |
| T2 · 85 m² | 406 | 470 | −14 % | 4.78 | 5.53 |
| T3 · 115 m² | 500 | 555 | −10 % | 4.35 | 4.83 |
Aluseg estimate, not an official figure: INE median of €5.17/m² (2025, 889 new leases) × INE size ratio for Beira Baixa × reference floor area. See the Castelo Branco rental market.
The ceiling against income in Castelo Branco
A person on the median income in Castelo Branco receives €1,048 a month after income tax (INE, 2024). The T2 ceiling (€406) takes 39 % of that income, against 45 % for the market rent (€470). For a couple on two median incomes, 19 % against 22 %.
Income per person after income tax, not household income: see how we read this number.
Looking for an affordable-rent home in Castelo Branco?
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 €312 for a T1, €406 for a T2.
IRS saved at the ceiling in Castelo Branco
A T2 in Castelo Branco let at the ceiling earns €4,872 a year. Outside the RSAA, IRS on that gross rent would reach €1,218 (25% rate) or €487.20 (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 | 244 | 2,928 | 732 | 292.80 | 0 |
| T1 | 312 | 3,744 | 936 | 374.40 | 0 |
| T2 | 406 | 4,872 | 1,218 | 487.20 | 0 |
| T3 | 500 | 6,000 | 1,500 | 600 | 0 |
| T4 | 547 | 6,564 | 1,641 | 656.40 | 0 |
| T5 | 641 | 7,692 | 1,923 | 769.20 | 0 |
Gross rent, no deductible expenses. Exemption: art. 6 of annex III. Rates: Landlord IRS in 2026.
Ceilings in the Castelo Branco district
Castelo Branco has the 2nd highest T2 ceiling of 11 municipalities in the Castelo Branco district. The highest is Covilhã (€463) and the lowest is Vila Velha de Ródão (€392). The district median is €392: Castelo Branco is 4% above the median.
| Municipality | T0 (€/month) | T1 (€/month) | T2 (€/month) | T3 (€/month) | T2 market, est. (€/month) | Difference |
|---|---|---|---|---|---|---|
| Covilhã | 278 | 356 | 463 | 570 | 535 | −13 % |
| Castelo Branco | 244 | 312 | 406 | 500 | 470 | −14 % |
| Belmonte | 224 | 308 | 392 | 475 | 290 | +35 % |
| Fundão | 224 | 308 | 392 | 475 | 415 | −6 % |
| Idanha-a-Nova | 224 | 308 | 392 | 475 | 290 | +35 % |
| Oleiros | 224 | 308 | 392 | 475 | – | – |
| Penamacor | 224 | 308 | 392 | 475 | 305 | +29 % |
| Proença-a-Nova | 224 | 308 | 392 | 475 | 330 | +19 % |
| Sertã | 224 | 308 | 392 | 475 | 395 | −1 % |
| Vila de Rei | 224 | 308 | 392 | 475 | 400 | −2 % |
| Vila Velha de Ródão | 224 | 308 | 392 | 475 | 320 | +23 % |
From the highest T2 ceiling to the lowest. Market: Aluseg estimate from INE data; – = no data.
Keep exploring
Rent under the RSAA with everything in order
Lease, Tax Authority and rent receipts in a free account.
FAQ: affordable rent in Castelo Branco
What is the maximum rent for a T2 in Castelo Branco under the RSAA?
€406 a month, the 195th highest ceiling in the country. With private parking or an energy certificate of A or A+ it rises to €446.60; with both, to €487.20.
Is the T2 ceiling in Castelo Branco above or below the market rent?
It is 14% 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.