diff --git a/etl/customers/stonewater/potential_eco_properties.py b/etl/customers/stonewater/potential_eco_properties.py
new file mode 100644
index 00000000..6ea6962b
--- /dev/null
+++ b/etl/customers/stonewater/potential_eco_properties.py
@@ -0,0 +1,4 @@
+def app():
+    """
+    This code creates a list of cavity properties, for review
+    """