Galdakao · Bilbao
Rental yield in Galdakao
Galdakao is an affordable area for Bilbao, with an average rental yield and a Total Return below the city average. Here is what a typical flat in Galdakao costs to buy and rent, and the Total Return (IRR) it delivers, compared with the other areas of Galdakao.
Sale price
2,540
€/m² · second-hand homes
Rent
9.2
€/m² per month · SERPAVI legal cap
Gross yield
4.3%
annual rent ÷ price
Total Return
3.5%
10-year IRR · typical flat
Appreciation
+1.5%
a year, 10-15 year history
Cash flow
-€222
per month, year 1, after tax
What the data says
Galdakao is an area of Galdakao, in the Bilbao metropolitan area. The reference sale price is €2,540/m², based on the Fotocasa index adjusted to transaction prices: 22% below the Bilbao median (€3,238/m²). It ranks 10 of 11 areas in the Bilbao region by price.
The reference rent is €9.2/m² per month (SERPAVI median for the neighbourhood, 2024): about €754 a month for a typical 82 m² flat. Galdakao is a declared stressed rental zone, so that figure acts as the legal cap on a new tenancy. The gross yield (annual rent ÷ price) comes to 4.3%, in line with the city median (4.3%): rank 6 of 11 by gross yield.
With a 70% mortgage at 3.80% over 25 years and a sale after 10 years, the estimated Total Return (IRR) for that typical flat is 3.5%, below the Bilbao median (4.0%). It takes about €72,927 of cash (deposit, taxes and costs), and first-year cash flow after tax is -€222 a month.
Asking prices in Galdakao have grown by an average of 1.5% a year over the last 10 and 15 years (idealista, December 2025). Historical, not a forecast: it is the appreciation the modelled sale assumes.
A typical flat in Galdakao
The same standard assumptions as the CasaROI map: change the mortgage, term or tax profile in your account and the Total Return is recalculated for your case.
- Size
- 82 m²
- Purchase price
- €208,280
- Monthly rent
- €754
- Cash needed · deposit + transfer tax + costs
- €72,927
- Monthly cash flow (year 1)
- -€222
- Total Return (IRR)
- 3.5%
Assumptions: 70% mortgage over 25 years at 3.80%, sale after 10 years, Spanish tax resident at a 37% marginal rate, no renovation.
Nearest areas, ranked by gross yield
| Area | €/m² | Rent €/m² | Gross | IRR |
|---|---|---|---|---|
| Otxarkoaga-Txurdinaga | 2,626 | 11.9 | 5.4% | 4.8% |
| Ibaiondo | 2,945 | 11.8 | 4.8% | 4.5% |
| Uribarri | 3,019 | 12.2 | 4.8% | 6.5% |
| Begoña-Santutxu | 3,238 | 12.3 | 4.6% | 4.0% |
| Galdakao | 2,540 | 9.2 | 4.3% | 3.5% |
| Errekalde | 3,508 | 12.3 | 4.2% | 4.5% |
| Abando-Albia | 4,749 | 14.9 | 3.8% | 3.5% |
| Indautxu | 4,773 | 14.9 | 3.7% | 3.5% |
| Basurto-Zorroza | 4,295 | 12.1 | 3.4% | 2.5% |
Frequently asked questions
How much does a square metre cost in Galdakao?
€2,540/m² on average, based on the Fotocasa index adjusted to transaction prices. A typical 82 m² flat costs about €208,280, 22% below the Bilbao median.
How much is rent in Galdakao?
The reference rent is €9.2/m² per month: about €754 a month for 82 m². As a stressed rental zone, that figure is the legal cap on a new whole-flat tenancy (room-by-room lets are exempt).
Is Galdakao a good buy-to-let investment?
The gross yield is 4.3% (Bilbao median: 4.3%). With a 70% mortgage and a sale after 10 years, the estimated Total Return (IRR) is 3.5% against a city median of 4.0%. It depends on your financing and tax residency: with your own profile the number can change.
Is Galdakao in a stressed rental zone?
Yes. Galdakao is a declared stressed rental zone, so on a new whole-flat tenancy the rent is limited by the official reference index (SERPAVI).
Buying in Galdakao?
Paste the listing and we tell you whether it holds up at that price: legal rent, taxes, red flags and a verdict.
Sources and method
- Sale: idealista · municipal sale-price report (2026) · ÷1,13 a precio de transacción (calibrado vs registral Madrid/BCN)
- Rent: SERPAVI foral · declared rent for the municipality (Sistema Estatal de Índices 2024, escalada a nivel EMAL 2025) · stressed rental zone (tope legal)
- Appreciation: average of the 10- and 15-year rates of the area's asking price — historical, not a forecast