diff --git a/app/models/lettings_log.rb b/app/models/lettings_log.rb
index 823582132..1daf7cd9a 100644
--- a/app/models/lettings_log.rb
+++ b/app/models/lettings_log.rb
@@ -915,6 +915,7 @@ private
   def should_process_uprn_change?
     return unless uprn
     return unless startdate
+    return if skip_uprn_lookup
 
     uprn_changed? || startdate_changed?
   end
@@ -923,6 +924,7 @@ private
     return unless uprn_selection || select_best_address_match
     return unless startdate
     return unless form.start_year_2024_or_later?
+    return if skip_address_lookup
 
     if select_best_address_match
       address_line1_input.present? && postcode_full_input.present?
diff --git a/app/models/log.rb b/app/models/log.rb
index b3294ae32..195f63ba7 100644
--- a/app/models/log.rb
+++ b/app/models/log.rb
@@ -57,7 +57,7 @@ class Log < ApplicationRecord
   scope :filter_by_owning_organisation_text_search, ->(param, _user) { where(owning_organisation: Organisation.search_by(param)) }
   scope :filter_by_managing_organisation_text_search, ->(param, _user) { where(managing_organisation: Organisation.search_by(param)) }
 
-  attr_accessor :skip_update_status, :skip_update_uprn_confirmed, :select_best_address_match, :skip_dpo_validation
+  attr_accessor :skip_update_status, :skip_update_uprn_confirmed, :select_best_address_match, :skip_dpo_validation, :skip_uprn_lookup, :skip_address_lookup
 
   delegate :present?, to: :address_options, prefix: true
 
@@ -74,6 +74,9 @@ class Log < ApplicationRecord
 
       presenter = UprnDataPresenter.new(service.result)
 
+      # the address for this uprn is already known, skip further lookups for this object
+      self.skip_uprn_lookup = true if address_line1 == presenter.address_line1 && address_line2 == presenter.address_line2 && town_or_city == presenter.town_or_city && postcode_full == presenter.postcode
+
       self.uprn_known = 1
       self.uprn_selection = uprn
       self.address_line1 = presenter.address_line1
@@ -98,9 +101,14 @@ class Log < ApplicationRecord
         presenter = AddressDataPresenter.new(service.result.first)
         os_match_threshold_for_bulk_upload = 0.7
         if presenter.match >= os_match_threshold_for_bulk_upload
+          # the address for this uprn is already known, skip further lookups for this object
+          self.skip_address_lookup = true if uprn_selection == presenter.uprn
+
           self.uprn_selection = presenter.uprn
         else
           select_manual_address_entry!
+          # this uprn cannot be used for lookup
+          self.skip_address_lookup = true
           return nil
         end
       end
@@ -119,7 +127,7 @@ class Log < ApplicationRecord
         self.uprn = uprn_selection
         self.uprn_confirmed = 1
         self.skip_update_uprn_confirmed = true
-        process_uprn_change!
+        process_uprn_change! unless skip_uprn_lookup
       end
     end
   end
diff --git a/app/models/sales_log.rb b/app/models/sales_log.rb
index b72c4c70d..0fdcf6d14 100644
--- a/app/models/sales_log.rb
+++ b/app/models/sales_log.rb
@@ -435,6 +435,7 @@ class SalesLog < Log
   def should_process_uprn_change?
     return unless uprn
     return unless saledate
+    return if skip_uprn_lookup
 
     uprn_changed? || saledate_changed?
   end
@@ -443,6 +444,7 @@ class SalesLog < Log
     return unless uprn_selection || select_best_address_match
     return unless saledate
     return unless form.start_year_2024_or_later?
+    return if skip_address_lookup
 
     if select_best_address_match
       address_line1_input.present? && postcode_full_input.present?