diff --git a/etl/xml_survey_extraction/XmlParser.py b/etl/xml_survey_extraction/XmlParser.py
index a4061b3a..a2246629 100644
--- a/etl/xml_survey_extraction/XmlParser.py
+++ b/etl/xml_survey_extraction/XmlParser.py
@@ -804,7 +804,9 @@ class XmlParser:
 
             pvc_frame = self.xml.getElementsByTagName("SAP-Property-Details")[0].getElementsByTagName(
                 "PVC-Window-Frames"
-            )[0].firstChild.nodeValue
+            )
+
+            pvc_frame = pvc_frame[0].firstChild.nodeValue if pvc_frame else None
 
             multple_glazed_proportion = self.xml.getElementsByTagName("SAP-Property-Details")[0].getElementsByTagName(
                 "Multiple-Glazed-Proportion"