Required by law
Two technical documents.
Energy certificate
Certificado energético · DL 101-D/2020
Mandatory for every sale, issued through ADENE. Rates energy, not condition.
Gas inspection
DL 97/2017
Periodic inspection of qualifying installations, not a sale document. Covers the gas system only.
Not required, left to you
The condition of the building.
Structure and seismic safety
No mandatory diagnostic of structural stability before a sale.
Roof, moisture, envelope
No required check of leaks, damp, or building fabric.
Built vs approved drawings
No required comparison of the property with its plans.