It is the first question anyone asks, and the honest answer is unhelpful: it depends. So let us break it down properly, with figures, and with the items that tend to be missing from the first conversation.
One warning before we start. If someone has already quoted you "around €1,200 per square metre", that number almost certainly is not the money you will actually spend. It is one part of it.
Three different numbers, often confused
Most of the unpleasant surprises in Spanish self-build start here. There are three distinct figures, and they get used as if they were the same thing:
| Term | What it covers | What it excludes |
|---|---|---|
| PEM — Presupuesto de Ejecución Material | Materials and labour for the construction itself | Contractor's overhead and profit, VAT, taxes, professional fees |
| PEC — Presupuesto de Ejecución por Contrata | PEM plus the contractor's overhead and profit, around 19% on top | VAT, licences, professional fees, the plot |
| Total project cost | All of the above plus taxes, licences, fees, utility connections, insurance and land | — |
When a builder quotes you a price, they usually mean PEC excluding VAT. When an architect estimates "per square metre", they usually mean PEM. And when you ask what the house costs, you mean the third one. That is why the numbers never seem to add up.
Construction cost, in figures
In 2026, building a detached house in Spain runs between €1,400 and €2,200 per m² for construction alone, excluding land, licences and professional fees. That is the national range. Andalusia and Murcia sit at the lower end, because both labour and local trades are cheaper than in Madrid or Barcelona.
| Specification level | Contract sum (€/m²) | What it means |
|---|---|---|
| Basic | 1,150 – 1,400 | Standard finishes, aluminium joinery, no home automation, simple layout |
| Mid-range | 1,400 – 1,750 | Air-source heat pump, thermally broken joinery, good insulation, one or two feature finishes |
| Upper mid-range | 1,750 – 2,250 | More complex layout, better joinery and finishes, basic home automation |
| High | 2,250 – 3,000 | Bespoke design, long spans, pool, home automation, premium materials |
These figures are the contract sum: what the builder invoices you, with their overheads and profit already included. That is how private work is contracted; the breakdown into material execution cost plus 19% is only tendered on public works. It matters because that lower figure does come back later: it is the base used to calculate the construction tax, the permit fee, professional fees and stamp duty.
Your own numbers
What would it cost on your plot?
These tables are the general reference. The calculator applies your zone, floor area, slope and utility connections, and returns the full outlay broken down item by item.
Run my numbers →These are indicative figures for built area. Two houses of identical size can differ by 40% depending on plot shape, ground slope, structural complexity and number of bathrooms. Geometry matters more than most people expect: two storeys cost less per square metre than a single storey of the same area, because foundations and roof are shared.
What the builder's quote does not include
Professional fees
Architectural design, site direction, execution management, health and safety study, geotechnical survey and safety coordination. Together these normally add 12% to 18% of PEM, and they are taxed at 21% VAT, not the reduced rate.
Building licence and ICIO
ICIO is the municipal construction tax. Each town hall sets its own rate, typically between 3% and 5% of PEM. On top of that there is a processing fee for the licence, usually €200 to €1,500 for a major works application.
Utility connections
Water, electricity, drainage and telecoms. On a fully urbanised plot, budget €3,000 to €8,010. On a rural plot, or where the connection point is some distance away, this can run into five figures. It is the single most common surprise for foreign buyers, who often assume that a plot marketed as "buildable" already has services at the boundary. That is frequently not the case.
Insurance
The seguro decenal, a ten-year structural warranty, is not compulsory when you build a home for your own use. It becomes relevant the moment you want to sell within ten years — and buyers, or their lawyers, will ask for it. Arranging it retrospectively is far more expensive and sometimes impossible. If there is any chance you may sell, decide at the start, not at the end.
VAT
Construction work for a self-builder of a main residence is taxed at 10%. Professional fees are taxed at 21%. Applying 10% to everything is a common and expensive mistake.
How much it varies by province
The same house, from the same drawings and to the same specification, does not cost the same in Vélez-Málaga as it does in Huércal-Overa. And the gap is not marginal: between the cheapest and the most expensive of the four provinces I work in there is something like 20% difference in construction cost alone.
These are the ranges I work with for a mid-range specification, in euros per square metre of built area, excluding VAT:
| Province | Contract sum (€/m²) | Variation within the province |
|---|---|---|
| Almería | 1,250 – 1,700 | Higher on the Levante coast (Mojácar, Vera, Garrucha); lower in the Poniente and inland. |
| Murcia | 1,250 – 1,700 | Above the range in Cartagena, the Mar Menor and the coast; below it inland. |
| Granada | 1,300 – 1,750 | Higher on the Costa Tropical and in the city; inland is the cheapest of the four. |
| Málaga | 1,400 – 2,150 | By some margin the most expensive, with the western Costa del Sol at the top end. |
Three things account for almost all of the difference, and none of them is the materials.
Labour. This is the dominant factor. On the Costa del Sol, sustained residential demand has tightened the market for trades to the point where a good formworker or a reliable installer chooses who they work for. That gets priced in, and it shows up more in the finishing trades than in the structure.
Permit times. These appear in no budget, but they cost money. A town hall that takes fourteen months to issue a building permit adds cost through finance charges, price escalation and re-tendering. And the timescales vary enormously between municipalities in the same province.
Logistics. A plot forty minutes from the nearest concrete plant, with a narrow access or a steep slope, adds cost to every lorry that arrives. Inland Granada and the Almanzora valley feel this more than most people expect.
The same applies to the construction tax and permit fees: they are set by each town hall, not by the province. Two neighbouring villages can differ by a full percentage point of the construction budget, which on a €300,000 house is €3,000. Worth checking before you buy the plot, not after.
A worked example: 150 m² in Almería province
Two-storey detached house, mid-range specification, urbanised plot, no pool.
| Item | Amount | Note |
|---|---|---|
| Contract sum (PEC) | €232,500 | 150 m² × €1,550/m², mid-range in Almería city |
| VAT on the works (10%) | €23,250 | |
| Professional fees | €24,422 | 12.5% of the equivalent PEM (€195,378) |
| VAT on fees (21%) | €5,129 | |
| Construction tax and permit fee | €8,010 | 4.1% of the PEM |
| Insurance (CAR, TIS and decennial) | €2,700 | |
| Notary, land registry and stamp duty | €3,500 | New-build declaration |
| Utility connections | €5,000 | Serviced plot, supplies at the boundary |
| Geotechnical and topographic survey | €1,800 | |
| Total excluding land | €306,311 | €2,042/m² |
Note the gap: from €180,000 of construction cost to nearly €283,000 in reality is a 57% difference. That gap is where the shocks live. And we have not counted the land yet.
The line almost nobody budgets for
One row is missing from that table, and it is the most important: contingency.
No building project is executed exactly as drawn. Rock appears where soil was expected, a service run has to be rerouted, you change your mind about a finish, or a quantity was wrong in the tender documents. A serious budget sets aside 5% to 10% of PEM to absorb this.
In the example above, that means €9,000 to €18,000 held available and uncommitted. People who skip this do not avoid the cost — they simply meet it with no funding allocated, and usually end up downgrading finishes in the final phase of the build, which is the worst possible place to save money.
Three checks before you sign anything
- Is the quote measured, or a lump sum? A quote with detailed quantities by trade can be verified and controlled. One that says "detached house: €220,000" cannot be challenged later.
- How many provisional sums are there? Every partida alzada a justificar is a blank cheque. If there are many, nobody knows the final price yet — including the builder.
- Is one quote far cheaper than the rest? A quote 15% or more below the others is rarely efficiency. It usually signals missing scope that reappears during construction as variations, and often ends up costing more than the most expensive tender.
At Mellado PM we prepare the financial feasibility study before anything is committed: realistic cost estimate, like-for-like comparison of tenders with verified quantities, and a properly sized contingency. Knowing the real number before you commit is the single decision that saves the most money across a project.
Before you commit
Been quoted a price and unsure whether it is realistic?
Send me the quote you have been given. I will tell you which items are missing, which have been measured loosely, and where the cost will grow once work starts. It takes me an afternoon and saves you the expensive surprise.
No obligation. If the quote is sound, I will tell you that too.