Renovation · Cost and preparation
How much does an apartment renovation cost in Barcelona in 2026?
Why two apartments of the same size need different budgets, how floor condition affects the estimate and where you can really save.
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Project stories and technical guides to renovation and building services.
Practical guide · Painting and finishes
Wall painting: what determines the price and why repainting is not enough
The price of painting walls can vary considerably. The difference is rarely just in applying paint: it lies in the substrate condition, protecting the space and the preparation needed before starting.
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Technical guide · Solar energy
Same-side or diagonal connections for a solar collector?
Same-side connections are not proof of an installation error. The answer depends on the internal hydraulics, the number of collectors and the manufacturer's documentation.
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Project story · Bathrooms
Moving a basin means taking the bathroom apart and putting it back together
In a finished bathroom, a change can affect more than you expect. You can take the basin off the wall, but the fixings, pipes and electrical outlet for the mirror remain. All those connections then need to be prepared in the new position.
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