https://ingeniabarcelona.com/en/blog/ Engineering, business licence, legalisation, installation and technical project guides for Barcelona and Catalonia. en-GB Sat, 05 Sep 2026 08:00:00 GMT https://ingeniabarcelona.com/en/blog/change-of-activity-permit-holder-barcelona/ https://ingeniabarcelona.com/en/blog/change-of-activity-permit-holder-barcelona/ Sat, 05 Sep 2026 08:00:00 GMT An existing business activity permit may be transferred to a new holder if the authorised activity and operating conditions remain unchanged. Before completing a takeover, verify the permit, premises, alterations, outstanding obligations and related. https://ingeniabarcelona.com/en/blog/duplicate-ritsic-certificate/ https://ingeniabarcelona.com/en/blog/duplicate-ritsic-certificate/ Thu, 03 Sep 2026 08:00:00 GMT A practical guide to locating or requesting a duplicate RITSIC registration certificate and, where available, technical installation records in Catalonia. https://ingeniabarcelona.com/en/blog/urban-planning-compatibility-report-barcelona/ https://ingeniabarcelona.com/en/blog/urban-planning-compatibility-report-barcelona/ Tue, 01 Sep 2026 08:00:00 GMT An urban planning compatibility report confirms whether a proposed business activity is compatible with the planning rules for specific premises in Barcelona. This guide explains how to identify the correct procedure, prepare the documents and assess the. https://ingeniabarcelona.com/en/blog/legalise-a-commercial-gas-installation-in-barcelona/ https://ingeniabarcelona.com/en/blog/legalise-a-commercial-gas-installation-in-barcelona/ Sun, 30 Aug 2026 08:00:00 GMT A practical guide to projects, gas installation certificates, RITSIC registration and supply activation for shops, restaurants and other commercial premises in Barcelona. https://ingeniabarcelona.com/en/blog/legalise-a-fire-protection-system-in-barcelona/ https://ingeniabarcelona.com/en/blog/legalise-a-fire-protection-system-in-barcelona/ Fri, 28 Aug 2026 08:00:00 GMT A practical guide to documenting, certifying and registering an active fire protection system in Barcelona, including RITSIC, maintenance, inspections and checks before occupying a premises. https://ingeniabarcelona.com/en/blog/legalise-a-commercial-electrical-installation-in-barcelona/ https://ingeniabarcelona.com/en/blog/legalise-a-commercial-electrical-installation-in-barcelona/ Wed, 26 Aug 2026 08:00:00 GMT Legalising a low-voltage electrical installation depends on the premises’ use, public occupancy, power requirements, specific risks and the scope of any alterations. This guide explains how to identify the required documents, inspections and registration. https://ingeniabarcelona.com/en/blog/building-permit-for-commercial-premises-in-barcelona/ https://ingeniabarcelona.com/en/blog/building-permit-for-commercial-premises-in-barcelona/ Mon, 24 Aug 2026 08:00:00 GMT A renovation in Barcelona may require an assabentat, a comunicat immediat, a comunicat diferit or a major works licence. The municipal preliminary consultation identifies the applicable route and the documents needed. https://ingeniabarcelona.com/en/blog/legalising-air-conditioning-in-barcelona/ https://ingeniabarcelona.com/en/blog/legalising-air-conditioning-in-barcelona/ Sat, 22 Aug 2026 08:00:00 GMT A practical guide to the technical documents, industrial registration and municipal checks required for air conditioning and climate-control systems in Barcelona. https://ingeniabarcelona.com/en/blog/commercial-property-viability-barcelona/ https://ingeniabarcelona.com/en/blog/commercial-property-viability-barcelona/ Wed, 19 Aug 2026 08:00:00 GMT Before committing to premises in Barcelona, check whether your activity is permitted at that address, which administrative route applies and what alterations may be necessary. This guide helps you decide whether to proceed, negotiate or reject the property. https://ingeniabarcelona.com/en/blog/ritsic-guide-catalonia-installations-registration/ https://ingeniabarcelona.com/en/blog/ritsic-guide-catalonia-installations-registration/ Mon, 27 Jul 2026 08:00:00 GMT Complete guide to RITSIC (Industrial Safety Technical Installations Register of Catalonia). Learn which installations require mandatory registration and how to apply with a Chartered Engineer. https://ingeniabarcelona.com/en/blog/what-is-a-change-of-use/ https://ingeniabarcelona.com/en/blog/what-is-a-change-of-use/ Wed, 15 Jul 2026 08:00:00 GMT Complete guide on the technical and legal requirements for changing the use of commercial premises to a home in Barcelona. Viability, PGOU, habitability and cell. https://ingeniabarcelona.com/en/blog/engineering-project-requirements/ https://ingeniabarcelona.com/en/blog/engineering-project-requirements/ Sun, 12 Jul 2026 08:00:00 GMT Learn what a technical installation project is, when it is required by law, and how it protects building compliance in Spain and Barcelona.