Mollet del Valles · Barcelona
Rental yield in Mollet del Vallès
Mollet del Vallès is an affordable area for Barcelona, with a high rental yield and a Total Return below the city average. Here is what a typical flat in Mollet del Vallès costs to buy and rent, and the Total Return (IRR) it delivers, compared with the other areas of Mollet del Valles.
Sale price
1,925
€/m² · second-hand homes
Rent
8.4
€/m² per month · SERPAVI legal cap
Gross yield
5.2%
annual rent ÷ price
Total Return
1.7%
10-year IRR · typical flat
Appreciation
+0.9%
a year, 10-15 year history
Cash flow
-€128
per month, year 1, after tax
What the data says
Mollet del Vallès is an area of Mollet del Valles, in the Barcelona metropolitan area. The reference sale price is €1,925/m², based on the Fotocasa index adjusted to transaction prices: 54% below the Barcelona median (€4,141/m²). It ranks 83 of 86 areas in the Barcelona region by price.
The reference rent is €8.4/m² per month (SERPAVI median for the neighbourhood, 2024): about €689 a month for a typical 82 m² flat. Mollet del Valles 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 5.2%, 1.1 points above the city median (4.1%): rank 18 of 86 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 1.7%, below the Barcelona median (4.1%). It takes about €65,177 of cash (deposit, taxes and costs), and first-year cash flow after tax is -€128 a month.
Asking prices in Mollet del Valles have grown by an average of 0.9% 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 Mollet del Vallès
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
- €157,850
- Monthly rent
- €689
- Cash needed · deposit + transfer tax + costs
- €65,177
- Monthly cash flow (year 1)
- -€128
- Total Return (IRR)
- 1.7%
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 |
|---|---|---|---|---|
| Ciutat Meridiana | 1,896 | 10.8 | 6.8% | 7.5% |
| la Trinitat Vella | 2,279 | 11.7 | 6.2% | 6.8% |
| Santa Coloma de Gramenet | 2,156 | 9.9 | 5.5% | 4.0% |
| Mollet del Vallès | 1,925 | 8.4 | 5.2% | 1.7% |
| Sabadell | 2,019 | 8.4 | 5.0% | 3.3% |
| Granollers | 2,081 | 8.7 | 5.0% | 2.6% |
| Torre Baró | 1,920 | 7.2 | 4.5% | 3.8% |
| Cerdanyola del Vallès | 2,726 | 10.0 | 4.4% | 3.0% |
| Vallbona | 2,631 | 7.7 | 3.5% | 2.7% |
Frequently asked questions
How much does a square metre cost in Mollet del Vallès?
€1,925/m² on average, based on the Fotocasa index adjusted to transaction prices. A typical 82 m² flat costs about €157,850, 54% below the Barcelona median.
How much is rent in Mollet del Vallès?
The reference rent is €8.4/m² per month: about €689 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 Mollet del Vallès a good buy-to-let investment?
The gross yield is 5.2% (Barcelona median: 4.1%). With a 70% mortgage and a sale after 10 years, the estimated Total Return (IRR) is 1.7% against a city median of 4.1%. It depends on your financing and tax residency: with your own profile the number can change.
Is Mollet del Vallès in a stressed rental zone?
Yes. Mollet del Valles 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 Mollet del Vallès?
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 (June 2026) · ÷1,13 a precio de transacción (calibrado vs registral Madrid/BCN)
- Rent: SERPAVI · declared rent for the municipality (Housing Ministry/AEAT 2024) · stressed rental zone
- Appreciation: average of the 10- and 15-year rates of the area's asking price — historical, not a forecast