Investing in Siero: 6 €/m²/month in rent and 4.9% gross yield
Buying in Siero costs 1,456 €/m² on average and renting goes for 6 €/m² a month, leaving a gross yield of 4.9% before costs and taxes. It sits clearly above the Spanish average (4.2%), with purchase prices below the Spanish average.
Siero within Asturias
Where the municipality sits and how it compares with its neighbours.
Administrative boundaries from the Spanish National Geographic Institute (CC BY 4.0). The Canary Islands are drawn shifted, as on any map of Spain.
What the analysis sees
The specific signals the official data leaves about this market, before going into detail.
On gross yield it ranks 65 of 77 among the municipalities of its province.
Siero has 53,049 residents, an average gross household income of €30,913 a year. These are signals of how deep housing demand runs, not of the risk of any one tenant.
In favour
- Gross yield of 4.9%Above the Spanish average (4.2%) on the same calculation method.
- Momentum 67/100Appraised prices, rents, transactions and population are all rising in the latest data.
- 4.3 transactions per 1,000 residentsA market with high turnover: reselling is easier than the national average.
- 2 properties analysedWe hold stock for sale here, each with its own investment score.
Against
No notable risks in the available data.
What it costs and what it earns
The market level in Siero and what it means for a buy-to-let buyer. Per-m² figures are converted to a reference home of 90 m².
Where it stands against the rest
Siero's percentile among the municipalities with enough data, computed on the same figure for all of them.
Within Asturias it ranks 65 of 77 on gross yield.
Demand, employment and liquidity
The structural depth of the market: how many people live here, what they earn, how much changes hands and what stress it carries. This is market context, never a measure of tenant risk.
Repossessions are a provincial figure (INE): they describe the market in Asturias, not this municipality alone.
Municipal costs and taxes
What the town hall and the cadastre set for this municipality, which is what the owner pays every year whether it is let or not.
How it has moved
Official series for Siero over recent years. Where a series is missing, the municipality does not publish it.
Rent price index
INE · 2011 base = 100 · yearly
Housing transactions
MIVAU · deals per year
Registered unemployment
SEPE · yearly average
Average gross income
AEAT · annual tax return
Registered population
INE · yearly population register
Net international migration
INE · immigration − emigration · yearly
Recorded offences
Ministry of the Interior · cumulative
Alternatives in Asturias
Territories of the same level ranked by gross yield, to compare before deciding.
What is for sale in Siero
Our catalogue in this territory, with an investment score computed property by property.
How this page is calculated
Where each figure comes from, over which territory and from what date. Confidence measures data coverage, never investment quality.
Data coverage
90/100What this page does not show is what is not published about the municipality, not a zero.
- official rent series (SERPAVI)
- series sufficient to measure momentum
- official appraised value (MIVAU)
- estimated market level
- our own adverts
When each figure is from
This is the latest figure published by each source for this municipality.
- rent
- 2024
- sale
- 2026Q1
- household income
- 2023
- official appraisal
- 2026Q1
- population register
- 2025
- registered transactions
- 2026Q1
- registered unemployment
- 2026M06
An indicative statistical estimate for comparing markets, not an appraisal or an investment recommendation. Gross yield does not deduct costs, IBI, insurance, voids or taxes.