· Estimia · Regulations & Permits
Building Codes for Windows in Spain: The Dos and Don'ts When Replacing
Spain's building code (the CTE) sets minimum thermal, acoustic and safety standards that your new windows must meet — and replacing them can quietly trigger compliance. This guide explains DB-HE, DB-HR and DB-SUA in plain English, with U-value and dB targets by climate zone and a practical list of dos and don'ts so you don't pay twice.