diff --git a/source/frontend/src/models/api/Property.ts b/source/frontend/src/models/api/Property.ts
index 4cf66c24d7..0e5836d31b 100644
--- a/source/frontend/src/models/api/Property.ts
+++ b/source/frontend/src/models/api/Property.ts
@@ -84,6 +84,7 @@ export interface Api_Property extends Api_ConcurrentVersion, Api_AuditFields {
   surplusDeclarationDate?: string;
 
   managementPurposes?: Api_PropertyManagementPurpose[];
+  additionalDetails?: string;
   isUtilitiesPayable?: boolean;
   isTaxesPayable?: boolean;
 }