diff --git a/app/services/bulk_upload/sales/year2025/row_parser.rb b/app/services/bulk_upload/sales/year2025/row_parser.rb
index 19ad2cb1b..6f5e2470e 100644
--- a/app/services/bulk_upload/sales/year2025/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2025/row_parser.rb
@@ -533,6 +533,8 @@ class BulkUpload::Sales::Year2025::RowParser
       "field_2",  # saledate
       "field_3",  # saledate
       "field_7",  # purchaser_code
+      "field_16", # uprn
+      "field_17", # address_line1
       "field_21", # postcode
       "field_22", # postcode
       "field_28", # age1
@@ -1287,6 +1289,8 @@ private
       ecstat1
       owning_organisation
       postcode_full
+      uprn
+      address_line1
       purchid
     ]
   end
@@ -1457,6 +1461,8 @@ private
       errors.add(:field_1, error_message) # Sale completion date
       errors.add(:field_2, error_message) # Sale completion date
       errors.add(:field_3, error_message) # Sale completion date
+      errors.add(:field_16, error_message) # UPRN
+      errors.add(:field_17, error_message) # Address line 1
       errors.add(:field_21, error_message) # Postcode
       errors.add(:field_22, error_message) # Postcode
       errors.add(:field_28, error_message) # Buyer 1 age
diff --git a/app/services/bulk_upload/sales/year2026/row_parser.rb b/app/services/bulk_upload/sales/year2026/row_parser.rb
index 2274a45db..fd3b1d6d8 100644
--- a/app/services/bulk_upload/sales/year2026/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2026/row_parser.rb
@@ -536,6 +536,8 @@ class BulkUpload::Sales::Year2026::RowParser
       "field_2",  # saledate
       "field_3",  # saledate
       "field_7",  # purchaser_code
+      "field_16", # uprn
+      "field_17", # address_line1
       "field_21", # postcode
       "field_22", # postcode
       "field_28", # age1
@@ -1291,6 +1293,8 @@ private
       ecstat1
       owning_organisation
       postcode_full
+      uprn
+      address_line1
       purchid
     ]
   end
@@ -1461,6 +1465,8 @@ private
       errors.add(:field_1, error_message) # Sale completion date
       errors.add(:field_2, error_message) # Sale completion date
       errors.add(:field_3, error_message) # Sale completion date
+      errors.add(:field_16, error_message) # UPRN
+      errors.add(:field_17, error_message) # Address line 1
       errors.add(:field_21, error_message) # Postcode
       errors.add(:field_22, error_message) # Postcode
       errors.add(:field_28, error_message) # Buyer 1 age
diff --git a/spec/services/bulk_upload/sales/year2025/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2025/row_parser_spec.rb
index ebebc38b8..a1df099ad 100644
--- a/spec/services/bulk_upload/sales/year2025/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2025/row_parser_spec.rb
@@ -784,6 +784,8 @@ RSpec.describe BulkUpload::Sales::Year2025::RowParser do
           :field_1, # Sale completion date
           :field_2, # Sale completion date
           :field_3, # Sale completion date
+          :field_16, # UPRN
+          :field_17, # Address line 1
           :field_21, # Postcode
           :field_22, # Postcode
           :field_28, # Buyer 1 age
@@ -814,6 +816,8 @@ RSpec.describe BulkUpload::Sales::Year2025::RowParser do
           :field_1, # Sale completion date
           :field_2, # Sale completion date
           :field_3, # Sale completion date
+          :field_16, # UPRN
+          :field_17, # Address line 1
           :field_21, # Postcode
           :field_22, # Postcode
           :field_28, # Buyer 1 age
diff --git a/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb
index 3547eb240..d68699a83 100644
--- a/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb
@@ -785,6 +785,8 @@ RSpec.describe BulkUpload::Sales::Year2026::RowParser do
           :field_1, # Sale completion date
           :field_2, # Sale completion date
           :field_3, # Sale completion date
+          :field_16, # UPRN
+          :field_17, # Address line 1
           :field_21, # Postcode
           :field_22, # Postcode
           :field_28, # Buyer 1 age
@@ -815,6 +817,8 @@ RSpec.describe BulkUpload::Sales::Year2026::RowParser do
           :field_1, # Sale completion date
           :field_2, # Sale completion date
           :field_3, # Sale completion date
+          :field_16, # UPRN
+          :field_17, # Address line 1
           :field_21, # Postcode
           :field_22, # Postcode
           :field_28, # Buyer 1 age