Construction and renovation guides
Practical information on permits, costs and renovation in Catalonia. Educational and cautious: we explain how things work and point to the official sources, rather than giving DIY instructions for high-risk work.
Building permits in Barcelona: a basic guide for renovation and refurbishment
An orientation on notifications, licences and when a technician is involved for works in Barcelona. The final decision always rests with the council.
How much does it cost to build a house in Catalonia? The factors that drive the budget
What drives the cost of a house — land, project, structure, envelope, services and finishes — and why we always talk about an indicative budget.
Major and minor works: the differences before renovating or refurbishing
An orientation guide to the usual differences between major and minor works before renovating or refurbishing. The final procedure depends on the municipality and the administration.
Dampness at home: types, common causes and when to act
How to tell filtration, condensation and rising damp apart, why you should treat the cause rather than just the stain, and when to ask for a professional review.
Renovating an old house: what to review before you start
Why diagnosis comes before finishes: how to review the structure, roof, façades and dampness, and how to prioritise the works on an old house.
Building inspection and owners' association: what to know before renovating
What the building technical inspection is, why it matters to an owners' association and how façades, roofs and renovation fit into a technical and administrative process. An orientation guide, not legal advice.
Prior works notice: what to know before starting a renovation
An orientation on the prior works notice: when it may apply depending on the work and the municipality, what is worth preparing, and why the official procedure should always be checked.
Thermal insulation of façades: what to know before renovating
Why insulating a façade is usually part of a whole-envelope decision — damp, thermal bridges, roofs and renovation — and when to ask for a professional review.
Roofs and coverings: what to check before repairing or renovating
Leaks, waterproofing, insulation, façades and renovation: why a roof is a system and when to ask for a professional review with safe access.
Tell us about your project
We'll give you an indicative quote and a clear scope before we start. The timeline and price depend on the project, the ground, the materials, the permits and the finishes.