Is It Worth Renovating an Old House? Everything You Need to Know in Barcelona

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Renovating an old house can be an excellent option for those who want to preserve the charm of a historic home while modernizing it to make it more functional, efficient, and comfortable. However, this process requires planning, budgeting, and the help of professionals to avoid unforeseen issues and extra costs.

In this article, we will cover the key aspects to consider before undertaking the renovation of an old house in Barcelona, including costs, timelines, and whether this type of investment is truly worthwhile.

Renovating an Old House

Advantages of Renovating an Old House

Many people wonder if modernizing an old house is worth it. The answer depends on several factors, but in general, the benefits can be numerous:

  • Preservation of architectural charm: Many old houses have unique details, such as high ceilings, hydraulic floors, or exposed wooden beams, which can be preserved to give the home a distinctive style.
  • Higher quality construction materials: Older houses are often built with more durable and resistant materials compared to some modern constructions.
  • Customization potential: You can adapt the layout and finishes to your taste, integrating modern technologies and energy efficiency improvements.
  • Prime location: Many old houses are situated in central areas or neighborhoods with great historical value.

How Much Does It Cost to Renovate an Old House?

One of the biggest concerns for homeowners is the budget. How much does it cost to remodel an old house? There is no single answer, as the cost will depend on several factors:

Factors That Influence the Price

  • Size of the property: Renovating a 100 m² house will not cost the same as a 200 m² one.
  • Structural condition: If the house has structural issues, the renovation cost will be higher.
  • Material quality: Luxury finishes increase the budget, while more standard options can reduce it.
  • Type of renovation:
    • Partial renovation: €20,000 – €50,000
    • Full renovation: €50,000 – €150,000
    • Renovation with structural changes: €80,000 – €200,000

If you need a budget tailored to your needs, Solera Reformas offers personalized and detailed consultations.

How Long Does It Take to Renovate an Old House?

Project timelines are another major concern. In general, the renovation duration varies depending on the project’s scale:

  • Partial renovations: 1 – 3 months
  • Full renovations: 4 – 8 months
  • Renovations with structural changes: 6 – 12 months

It’s important to consider that paperwork and permits can add an additional 1 to 3 months before construction can begin.

Steps to Successfully Renovate an Old House

To avoid problems and extra costs, we recommend following these key steps:

1. Initial Assessment

Before starting, it’s essential to inspect the house to detect potential structural issues, humidity, outdated installations, foundation quality, and material conditions.

An architect or specialized technician can conduct a detailed diagnosis to determine what elements need repair or reinforcement. It is advisable to request a technical report to avoid costly surprises during the renovation.

2. Design and Planning

This is one of the most important phases. During this stage, all planned changes are defined, and the renovation blueprints are created. Materials and finishes are also selected, considering both aesthetics and energy efficiency.

A good design can maximize space and improve distribution without the need for major structural work. It is crucial to work with experienced architects and designers who can help visualize the final result before starting construction.

3. Budgeting and Financing

Having a detailed budget is essential to avoid unexpected expenses. The budget should include:

  • Labor
  • Materials
  • Licenses and permits
  • Possible unforeseen costs (it is recommended to allocate an extra 10-20% for contingencies)

If financing is needed, options include personal loans, renovation mortgages, or government grants available for housing rehabilitation in Barcelona.

4. Obtaining Permits

Depending on the type of renovation, a minor works permit or a major works permit will be required from the Barcelona City Council. Projects affecting the structure or facade require more complex paperwork.

Additionally, if the house is located in a protected or classified area, additional permits from the Heritage Department may be necessary.

5. Choosing the Right Professionals

It is essential to work with a renovation company experienced in restoring old houses.

A multidisciplinary team that includes architects, engineers, interior designers, and builders will ensure the project is carried out efficiently and without issues.

6. Execution of the Renovation

Once the permits are obtained, construction begins according to the plan. This phase includes:

  • Demolition and debris removal of damaged areas
  • Structural reinforcement if necessary
  • Installation of new plumbing and electrical systems
  • Thermal and acoustic insulation to improve energy efficiency
  • Finishing touches and decoration as per the design

Constant supervision of the work progress will help detect and correct any issues in time.

7. Inspection and Completion

Once the renovation is complete, a final inspection is carried out to ensure everything is in order, and last-minute touch-ups are made before moving in.

Additionally, energy certifications and legal documents should be updated if the renovation has altered the layout or use of the home.

Tips to Save on an Old House Renovation

  • Prioritize essentials: If the budget is tight, invest first in structure, installations, and insulation improvements.
  • Reuse original elements: Restoring doors, floors, or ceilings can save money and give the home a unique touch.
  • Request multiple quotes: Comparing prices and quality will help you find the best option.
  • Avoid last-minute changes: Altering the project once it has started can significantly increase costs.
  • Buy materials on sale: Take advantage of discounts and promotions on construction materials and finishes.
  • Reuse and recycle: Recovered or restored materials can add character and reduce expenses.
  • Opt for energy-efficient solutions: An initial investment in insulation and efficient systems will lower long-term costs.

Solera Reformas: Experts in Renovating Old Houses in Barcelona

At Solera Reformas, we specialize in renovating old houses in Barcelona. Our team of architects, designers, and interior specialists will guide you through every stage of the process to ensure the best results.

Why Choose Us?

  • Expertise in rehabilitating old homes.
  • Use of high-quality materials and sustainable techniques.
  • Comprehensive project management, from permits to finishes.
  • Transparent and detailed budgets with no surprises.

If you want to renovate your old house with guarantees and peace of mind, contact us today for a free consultation.


Renovating an old house in Barcelona requires planning, investment, and professional guidance. However, the final result can be a modern, efficient home with unique charm that is hard to find in new constructions.

If you’re considering renovating your old house, don’t hesitate to seek expert advice to avoid unforeseen issues and optimize your investment.

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