diff --git a/app/services/bulk_upload/lettings/validator.rb b/app/services/bulk_upload/lettings/validator.rb
index e8167a639..b0a0a0401 100644
--- a/app/services/bulk_upload/lettings/validator.rb
+++ b/app/services/bulk_upload/lettings/validator.rb
@@ -15,7 +15,7 @@ class BulkUpload::Lettings::Validator
   def call
     row_parsers.each(&:valid?)
 
-    validate_duplicate_rows
+    validate_duplicate_rows if FeatureToggle.bulk_upload_duplicate_log_check_enabled?
 
     row_parsers.each_with_index do |row_parser, index|
       row = index + row_offset + 1
diff --git a/app/services/bulk_upload/sales/validator.rb b/app/services/bulk_upload/sales/validator.rb
index ac786916f..bd442527b 100644
--- a/app/services/bulk_upload/sales/validator.rb
+++ b/app/services/bulk_upload/sales/validator.rb
@@ -14,7 +14,7 @@ class BulkUpload::Sales::Validator
   def call
     row_parsers.each(&:valid?)
 
-    validate_duplicate_rows
+    validate_duplicate_rows if FeatureToggle.bulk_upload_duplicate_log_check_enabled?
 
     row_parsers.each_with_index do |row_parser, index|
       row = index + row_offset + 1