diff --git a/backend/hubspot_trigger_orchestrator/hubspot_deal_differ.py b/backend/hubspot_trigger_orchestrator/hubspot_deal_differ.py
index 77208432..ad20aca7 100644
--- a/backend/hubspot_trigger_orchestrator/hubspot_deal_differ.py
+++ b/backend/hubspot_trigger_orchestrator/hubspot_deal_differ.py
@@ -15,11 +15,14 @@ class HubspotDealDiffer:
         Case 3: Design is completed (and PasHub Link is populated)
         Case 4: Lodgement is completed (and PasHub Link is populated)
         """
-        new_pashub_link: str = new_deal.get("pashub_link", "")
         COORDINATION_COMPLETE: List[str] = [
             "v1 ioe/mtp complete",
             "v2 ioe/mtp complete",
         ]
+        RETROFIT_DESIGN_COMPLETE = "uploaded"
+
+        new_pashub_link: str = new_deal.get("pashub_link", "")
+
         # Case 1
         if not new_pashub_link:
             return False
@@ -40,6 +43,16 @@ class HubspotDealDiffer:
         ):
             return True
 
+        # Case 3
+        new_design_status: str = new_deal.get("design_status", "")
+
+        if (
+            new_design_status
+            and new_design_status == RETROFIT_DESIGN_COMPLETE
+            and new_design_status != old_deal.design_status
+        ):
+            return True
+
         raise NotImplementedError
 
     @staticmethod