Gas Inspection
DGEG Certified
Mandatory gas safety inspection per DL 97/2017. Required every 5 years for all residential buildings with gas installations.
DL 97/2017 — Artigo 14.º
Inspeção obrigatória de gás a cada 5 anos para todos os edifícios residenciais com instalações de gás.
Fine range: €250 – €3500
How the Process Works
Step-by-step guide: from legal obligation to final certificate
- 1
Legal trigger
DL 97/2017 mandates a periodic safety inspection for all residential natural gas and LPG installations. Inspection is mandatory every 2 years for residential customers.
Every 2 years - 2
Book certified entity (EIG)
Only DGEG-licensed Entidades Inspetoras de Gás (EIG) can issue the legally valid inspection certificate. InspectOS connects you with a licensed EIG in your municipality.
Confirmation in 24 h - 3
On-site safety inspection
Inspector checks appliances, pipes, connectors, ventilation grilles, and safety shut-off devices. Detects CO leaks, corrosion, and non-compliant flexible hoses.
1–2 hours - 4
Certificate issued (CIT)
Certificado de Inspeção Técnica (CIT) issued on the same day. Valid for 2 years, required by insurers and landlords. Non-compliance fine up to €2,500 under DL 97/2017.
Same day
Certified gas inspection companies (EIG)
Authorised by DGEG under Law 15/2015 to carry out inspections of gas networks and installations.
23 companies nationwide
Available in: AMADORA, BARCELOS, COIMBRA, FARO, LEIRIA, LISBOA, LOURES, LOUSADA, MAFRA, MAIA, MATOSINHOS, OEIRAS, PORTO, SEIXAL, SINTRA, VILA NOVA DE GAIA, VILA REAL, VISEU
Book a gas inspection