diff --git a/app/services/bulk_upload/lettings/row_parser.rb b/app/services/bulk_upload/lettings/row_parser.rb
index 18cd45be7..8f3672a08 100644
--- a/app/services/bulk_upload/lettings/row_parser.rb
+++ b/app/services/bulk_upload/lettings/row_parser.rb
@@ -230,6 +230,8 @@ private
       startertenancy: %i[field_8],
       tenancy: %i[field_9],
       declaration: %i[field_132],
+      age1_known: %i[field_12],
+      age1: %i[field_12],
     }
   end
 
@@ -301,6 +303,8 @@ private
     attributes["startertenancy"] = field_8
     attributes["tenancy"] = field_9
     attributes["declaration"] = field_132
+    attributes["age1_known"] = field_12.present? ? 0 : 1
+    attributes["age1"] = field_12
 
     attributes
   end
diff --git a/spec/services/bulk_upload/lettings/row_parser_spec.rb b/spec/services/bulk_upload/lettings/row_parser_spec.rb
index 0b0a106b3..7ff616a80 100644
--- a/spec/services/bulk_upload/lettings/row_parser_spec.rb
+++ b/spec/services/bulk_upload/lettings/row_parser_spec.rb
@@ -68,7 +68,8 @@ RSpec.describe BulkUpload::Lettings::RowParser do
             field_133: "1",
             field_8: "1",
             field_9: "2",
-            field_132: "1"
+            field_132: "1",
+            field_12: "22"
           }
         end