How Much Does It Cost to Build a House in Costa Blanca in 2026? [Complete Guide]

If you're considering building a house in Costa Blanca, understanding the associated costs is crucial before starting your project. Depending on the location, materials, and finishes, the budget can range from €86,400 to over €320,000.

The land itself represents a significant part of the budget, with prices varying between €2,500 and €5,000 per square meter, especially in prime areas. In addition to land costs, you must also account for permits, materials, professional fees, and equipment.

This detailed guide will explain all the factors that influence construction costs so you can plan your project with maximum accuracy and avoid unexpected surprises.

If you prefer expert assistance throughout the entire process, contact us today for a free consultation.

Factors That Determine the Cost of Building a House in Costa Blanca

Land Prices by Area

Land prices vary significantly. In exclusive areas such as Altea Hills, plots can reach €5,000 per square meter. In less central areas, such as Benitachell or Pedreguer, prices drop considerably.

For 2026, land prices are expected to increase by 4% to 8%, making it advisable to invest early before they rise further.

If you're looking for land to build on, check out our listings of plots for sale in Costa Blanca.

Permit and License Costs

Permits and municipal fees can account for 6% to 10% of the total budget. Some of the key permits include:

ICIO (Tax on Construction, Installations, and Works): Between 2% and 5% of the construction budget.
Municipal fees: Between 4% and 6% of the total budget.
Waste management deposit: An additional 0.5%.

According to the Alicante City Council, these fees vary by municipality.

If your construction budget is €150,000, expect to allocate €9,000 to €15,000 for permits alone.

Cost of Construction Materials

Material costs depend on the quality and energy efficiency level chosen. Approximate prices include:

Concrete: €130/m²
Steel: €100/m²
Wood: €200/m²

For premium or eco-friendly materials, expect a 20% to 30% increase in budget.

If you need advice on the best materials for comfort and energy savings, our team is ready to help. Explore our construction and renovation services.

Detailed Budget for Building a House in Costa Blanca

Foundation and Structure Costs

For a 120 m² house on flat terrain, foundation costs range from €12,000 to €14,000. The basic structure can cost up to €800 per m², depending on the material.

Steel: €90 - €100/m²
Concrete: €125 - €140/m²
Wood: €185 - €200/m²

Architect Fees and Professional Services

The main architect typically charges between 8% and 15% of the total material execution budget (PEM).

For example, if the PEM is €400,000, the architect’s fee would be approximately €41,400 (11.5%).

This cost is usually split into two payments:

70% upon project design
30% during construction supervision

Additionally, the technical architect and safety coordinator each charge about 30% of the main architect’s fee.

Municipal fees include:

Major construction permit: 4% - 6% of the budget
Municipal guarantees:
- For public roads: 3% - 5% of the PEM
- For waste management: 2% - 3% of the PEM

For official fee structures, visit the Spanish College of Architects.

Additional Costs of Building in Costa Blanca

Protection Against Humidity and Salinity

If your house is near the coast, it's essential to invest in materials resistant to humidity and corrosion. Recommended options include:

Aluminum or stainless steel carpentry
Treated wood for marine climates
Polyurethane foams for thermal insulation

If you want a house designed to withstand the coastal climate, check out our luxury villas in Costa Blanca.

Energy-Efficient Climate Control Systems

Energy-efficient climate control can reduce energy consumption by up to 30% in Costa Blanca. Consider options such as:

Aerothermal systems: Higher energy efficiency and long-term cost savings.
Inverter air conditioning systems.
Solar panels for self-consumption.

Investing in efficient climate control enhances comfort and lowers maintenance costs in the long run.

Frequently Asked Questions

How much does it cost to build a house in Costa Blanca in 2026?
The budget varies between €86,400 and €320,000, depending on the land, materials, and finishes.

How much does an architect cost in Spain?
Architect fees range between 8% and 15% of the total material execution budget.

How much do construction permits cost?
Between 6% and 10% of the total budget, including municipal fees, ICIO, and major construction permits.

What are the best materials for coastal construction?
Recommended options include aluminum, stainless steel, treated wood, and polyurethane insulation for higher resistance to humidity and salt air.

Conclusion

Building a house in Costa Blanca requires detailed planning. The final cost will depend on factors such as land, materials, and administrative expenses. It's advisable to reserve 10% to 15% of your budget for unexpected expenses.

To ensure your project is a success, Premium Villas Costa Blanca can manage the entire construction process so you can enjoy your dream home without worries.