Castrillón rents against the official reference
Castrillón carries a reference rent of 6,16 €/m², below the Spanish middle but no longer at the floor. It rests on 958 declared leases. It is 15,4 % above the reference of five years earlier.
Rents declared on income-tax returns for main-residence leases, not asking prices. They lag the market and exclude holiday lets.
Where it sits against the rest
Among the Asturias towns and cities covered here, it records the fourth lowest five-year change in the reference rent.
Over the whole guide, the median declared monthly rent recorded here falls within the band just above the bottom quarter.
Compared with the rest of Asturias in this guide, it sits third highest on share of dwellings that are not a main residence.
The comparison that matters
Put beside the rest of the country, its population belongs to the third-cheapest twentieth.
Line the Asturias municipalities in this guide up by number of declared leases and this one is the lowest.
Against every municipality in this guide, its median floor area of a let flat lands in the eighth twentieth from the bottom.
A sense of scale
Compared with the rest of Asturias in this guide, it sits third highest on upper-quartile rent per square metre.
Across the country, the reference rent per square metre here belongs to the eighth twentieth from the bottom.
Compared with the rest of Asturias in this guide, it sits fourth lowest on lower-quartile rent per square metre.
Before you sign
- Check whether the lease is for a main residence or seasonal.
- Have the energy certificate handed over, not promised.
- Ask which floor area the rent is quoted against.
- Confirm who is responsible for appliance repairs.
Check a quoted rent against the reference
Half of declared leases in Castrillón are below 452,38 € a month.
It is 15,4 % above the reference of five years earlier.
| Floor area | At the lower quartile | At the median | At the upper quartile |
|---|---|---|---|
| 55 m² | 270 € | 339 € | 426 € |
| 75 m² | 368 € | 462 € | 581 € |
| 100 m² | 490 € | 616 € | 774 € |
The floor areas are round illustrative sizes used to show the arithmetic, not measurements of any particular flat.
The reference figures
It rests on 958 declared leases.
4,90 €/m² to 7,74 €/m² covers the middle half of declared leases in Castrillón — ordinary dispersion.
| Measure | Value |
|---|---|
| Lower quartile | 4,90 €/m² |
| Median | 6,16 €/m² |
| Upper quartile | 7,74 €/m² |
| Median monthly rent | 452,38 € |
| Median floor area | 80 m² |
Related guides
Sources and licences
- MIVAU, Sistema Estatal de Referencia del Precio del Alquiler de Vivienda (SERPAVI), base 2011-2024. Period: 2024; 2019-2024. Retrieved 16 September 2026. Licence: MIVAU legal notice: reuse "para usos comerciales y no comerciales" with the source and its last-update date cited. Values are rents declared on income-tax returns, not asking prices.
- INE, Censo de Población y Viviendas 2021, viviendas por tipo (tabla 59525). Period: 2021. Retrieved 16 September 2026. Licence: CC BY 4.0 (INE legal notice). Attribution: "Elaboración propia con datos extraídos del sitio web del INE".
- MIVAU, registro de zonas de mercado residencial tensionado (art. 18 Ley 12/2023). Period: 16 September 2026. Retrieved 16 September 2026. Licence: MIVAU legal notice: reuse for commercial and non-commercial purposes with the source and its last-update date cited.