71223000 - Architectural services for building extensions

CPV code 71223000 in the EU Common Procurement Vocabulary refers to Architectural services for building extensions. It sits at level 4 of the CPV hierarchy as a category within the 71 division. This code is nested directly under 71220000, narrowing the broader category into the specific area of architectural services for building extensions. As a leaf code, 71223000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns architectural services for building extensions. Contracting authorities across the EU use 71223000 in TED notices and national procurement portals to signal that a tender relates to architectural services for building extensions.