Home Design and Construction: Price and Quotes
Home design and construction is one of the most important services in new building projects, with prices ranging from 3,500 € to 35,000 € depending on the project scope. The final cost depends mainly on the built area, selected materials, and design complexity; for example, a 70 m² home costs around 80,000 €, while a 200 m² home with garage can reach 215,000 €. It is advisable to request detailed quotes from specialized professionals to compare options and find the best value for money. A quality architectural project is the foundation of any successful construction.
The amounts are indicative and come from the imported original guide. The final budget depends on scope, materials, and the previous state of the space.
Service Levels and Pricing
Compare the different options available based on your budget and needs for your construction project.
Basic
Project and budget for single-family home construction up to 150 m². Includes basic floor plans and cost estimation without construction supervision.
Standard
Complete project with detailed budget for homes between 150 and 300 m². Includes partial construction supervision and project reviews. Most popular option.
Premium
Comprehensive project for homes of any size with full construction supervision. Includes custom design, sustainability, and monitoring through completion.
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Prices for house design and construction
See what homeowners usually pay for the most common tasks. Use these ranges to fine-tune your scope and avoid missing key items in your budget.
Design and construction of 70 m² dwelling
Design and construction of 100 m² dwelling
Design and construction of 120 m² dwelling
Design and construction of two-story 150 m² dwelling
Design and construction of two-story 200 m² dwelling with garage
Steps for house design and construction with Reformia
Building a new home from design through completion involves obtaining permits, construction, and final inspections.
1. Define your needs and initial budget
Determine the size and features of your future home. The budget for house design and construction ranges from 3,500 € to 35,000 € depending on finish levels. Consider whether you need a single or two-story house, garage, and additional services to adjust your initial investment.
2. Select property and verify documentation
Choose a plot that meets your surface area requirements. Verify access to utilities (water, electricity, sewerage) and that documentation is in order. A 150 m² plot requires additional investment, so ensure it complies with local regulations before proceeding.
3. Hire an architect to design the project
Hire a professional architect to design your project. The design cost is essential to the total construction budget. For a 70 m² home, the complete budget is 80,000 €, including design and construction; ensure you obtain detailed plans.
Building a new home from design through completion involves obtaining permits, construction, and final inspections.
What is usually included in a quote
Each professional may structure quotes differently, but most project budgets follow this logic.
What's Included
What's NOT Included
Steps for house design and construction
Building a new home from design through completion involves obtaining permits, construction, and final inspections.
1. Define your needs and initial budget
Determine the size and features of your future home. The budget for house design and construction ranges from 3,500 € to 35,000 € depending on finish levels. Consider whether you need a single or two-story house, garage, and additional services to adjust your initial investment.
2. Select property and verify documentation
Choose a plot that meets your surface area requirements. Verify access to utilities (water, electricity, sewerage) and that documentation is in order. A 150 m² plot requires additional investment, so ensure it complies with local regulations before proceeding.
3. Hire an architect to design the project
Hire a professional architect to design your project. The design cost is essential to the total construction budget. For a 70 m² home, the complete budget is 80,000 €, including design and construction; ensure you obtain detailed plans.
4. Obtain building permit from municipality
Request the building permit from the municipality with approved plans. This process is mandatory and can take several weeks. Include all land and project documentation to avoid delays in starting construction.
Price Factors
Even similar projects can end with different budgets. These are the factors that most often push costs up or down.
Property Size and Complexity
Larger homes and complex architectural designs require more materials, labor, and specialized expertise, significantly increasing overall project costs. A 200m² house will cost substantially more than a 100m² property.
Location and Accessibility
Properties in remote areas or with difficult terrain require additional transportation costs and specialized equipment. Urban locations may have higher labor rates but better access to suppliers and skilled workers.
Materials and Finishes Quality
The choice between basic and premium materials dramatically affects costs. High-end finishes, imported materials, and eco-friendly options can increase budgets by 30-50% compared to standard construction materials.
Local Building Regulations and Permits
Compliance with regional building codes, safety standards, and permit requirements varies by autonomous community in Spain. Some areas require additional inspections and certifications that add time and expense.
Site Preparation and Foundation Work
Soil conditions, existing structures, and site leveling requirements significantly impact costs. Challenging terrain or contaminated soil remediation can add substantial expenses before construction begins.
Energy Efficiency and Sustainability Standards
Modern Spanish building codes increasingly require energy-efficient systems, thermal insulation, and renewable energy integration. These upgrades add initial costs but provide long-term savings and may qualify for subsidies.
How much does a house design and construction project cost in Spain?
Building a new home from design through completion involves obtaining permits, construction, and final inspections.
The cost of a house design and construction project in Spain varies significantly depending on location, size and work complexity. In general, the total cost ranges between 800 and 1,500 € per square metre, although in high-demand areas such as Madrid or Barcelona it can exceed 2,000 € per m². For a detached house of 150 m², the average budget is around 180,000 to 300,000 €, including both the technical design and construction execution. It is essential to request detailed quotes from several professionals specialising in house construction to obtain a realistic estimate tailored to your specific project.
Tips for choosing a house design and construction professional
Building a new home from design through completion involves obtaining permits, construction, and final inspections.
The final budget depends on multiple factors: the condition of the land, the selected materials, installations (electricity, plumbing, heating and cooling) and desired finishes. A professional architectural design typically costs between 4,000 and 10,000 € depending on complexity, whilst site supervision represents approximately 5-10% of the total construction cost. Comparing quotes from different professionals will allow you to identify the best options and understand what each one includes in their offer.
Before committing to a budget, ensure it includes building permits, municipal authorisation and building technical inspection (ITE). Also request a detailed timeline and guarantees of compliance. Obtaining multiple quotes from qualified professionals is the best way to ensure your house construction project is executed within the established budget and to the highest quality.
Select registered professionals: verify that the architect is registered with the Architecture Association of your autonomous community and that the construction company holds a valid business licence. Request references from previous projects similar to yours and do not hesitate to contact former clients to learn about their experience. A trustworthy professional should be willing to provide verifiable references and a portfolio of completed works.
Obtain detailed and comparable quotes: request written quotes that specify exactly what is included (design, site supervision, materials, labour, permits). Avoid quotes with generic items or without breakdown. Establish a clear timeline with milestones and payment terms linked to construction progress. A good professional should explain price differences between quotes and justify their proposal.
Verify guarantees and coverage: confirm that the contract includes public liability insurance and workmanship guarantee (minimum 3 years). Ensure the professional is covered by a surety bond that protects your investment. Carefully review contract termination conditions and procedures for resolving potential disputes before signing any document.
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Energy Suppliers
Aggregate range based on the published guides in this family, including project totals and unit pricing where relevant.
Construction
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Installers
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Maintenance
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Moving Services
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Minor Works
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Renovations
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Technical Services
Aggregate range based on the published guides in this family, including project totals, hourly pricing, and unit pricing where relevant.
Retail & Assembly
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Frequently Asked Questions
How much does a single-family home project and construction cost in Spain?
The average cost of a single-family home project and construction in Spain ranges from 1.200€ to 1.800€ per square meter, depending on location, materials, and finishes. For a 150 m² property, the total budget would be between 180.000€ and 270.000€. It's important to request quotes from several construction companies to compare prices and services.
What is included in a project and construction budget?
A complete budget should include: technical design (architectural and structural), building permit, construction materials, labor, installations (plumbing, electrical, heating), interior finishes, and 10-year construction warranty. Some builders also include site management and safety coordination services, so it's essential to review each line item of the budget carefully.
How long does it take to complete a single-family home construction?
The average construction time for a 150 m² single-family home is 12 to 18 months, although it can vary depending on the type of structure and finishes. The architectural design typically takes 4 to 8 weeks, while the construction itself requires 10 to 16 months. Factors such as weather conditions, material availability, and project changes can affect the timeline.
How do I choose the best builder or project company for my home?
It's essential to verify that the builder has professional registration, references from previous projects, and proven experience with similar projects. Request at least three detailed quotes, confirm they include warranties and liability coverage, and review the proposed timelines. Check reviews from previous clients and ensure that the architects and engineers are professionally registered.
Do I need a building permit and special licenses to build my home?
Yes, it's mandatory to obtain a building permit from the corresponding municipality before starting any construction, as well as an activity license if applicable. You may also need to request environmental permits, data protection licenses, and certifications of technical projects from professional associations. A professional builder will handle all these procedures, and the costs are typically included in the overall project budget.
Got more questions? Contact us!
Got more questions? Contact us!
Frequently Asked Questions
How much does a single-family home project and construction cost in Spain?
The average cost of a single-family home project and construction in Spain ranges from 1.200€ to 1.800€ per square meter, depending on location, materials, and finishes. For a 150 m² property, the total budget would be between 180.000€ and 270.000€. It's important to request quotes from several construction companies to compare prices and services.
What is included in a project and construction budget?
A complete budget should include: technical design (architectural and structural), building permit, construction materials, labor, installations (plumbing, electrical, heating), interior finishes, and 10-year construction warranty. Some builders also include site management and safety coordination services, so it's essential to review each line item of the budget carefully.
How long does it take to complete a single-family home construction?
The average construction time for a 150 m² single-family home is 12 to 18 months, although it can vary depending on the type of structure and finishes. The architectural design typically takes 4 to 8 weeks, while the construction itself requires 10 to 16 months. Factors such as weather conditions, material availability, and project changes can affect the timeline.
How do I choose the best builder or project company for my home?
It's essential to verify that the builder has professional registration, references from previous projects, and proven experience with similar projects. Request at least three detailed quotes, confirm they include warranties and liability coverage, and review the proposed timelines. Check reviews from previous clients and ensure that the architects and engineers are professionally registered.
Do I need a building permit and special licenses to build my home?
Yes, it's mandatory to obtain a building permit from the corresponding municipality before starting any construction, as well as an activity license if applicable. You may also need to request environmental permits, data protection licenses, and certifications of technical projects from professional associations. A professional builder will handle all these procedures, and the costs are typically included in the overall project budget.