In response, we have marked the series as "discontinued" in their metadata and the catalog. The series run from as early as January 2004 to May 2015.

The series reside in the historical catalog (Greece » Real Estate » Construction » Completions) and include, for example:

• HPLCMPNTUM.IGRC = [DISCONTINUED] Housing Completions: New Built-Properties, (EUR, NSA) for Greece
• HPLCMPNTUM.IGRC_KAS = [DISCONTINUED] Housing Completions: New Built-Properties, (EUR, NSA) for NUTS 3 Kastoria
• HPLCMPNTUM.IGRC_TH = [DISCONTINUED] Housing Completions: New Built-Properties, (EUR, NSA) for NUTS 2 Thessalia

Because catalog locations are subject to change, the upper-right search box on DataBuffet.com provides a "find a catalog" mode that accepts a mnemonic.