diff --git a/app/models/bulk_upload.rb b/app/models/bulk_upload.rb
index 9db828184..70b591b91 100644
--- a/app/models/bulk_upload.rb
+++ b/app/models/bulk_upload.rb
@@ -116,6 +116,14 @@ class BulkUpload < ApplicationRecord
     bulk_upload_errors.distinct.count("row")
   end
 
+  def remaining_logs_with_errors_count
+    logs.filter_by_status("in_progress").count
+  end
+
+  def remaining_errors_count
+    logs.filter_by_status("in_progress").map(&:missing_answers_count).sum(0)
+  end
+
 private
 
   def generate_identifier
diff --git a/app/models/log.rb b/app/models/log.rb
index b588e1269..8814e771d 100644
--- a/app/models/log.rb
+++ b/app/models/log.rb
@@ -203,6 +203,12 @@ class Log < ApplicationRecord
     }.compact
   end
 
+  def missing_answers_count
+    form.questions.count do |question|
+      !optional_fields.include?(question.id) && question.displayed_to_user?(self) && question.unanswered?(self) && !question.is_derived_or_has_inferred_check_answers_value?(self)
+    end
+  end
+
 private
 
   # Handle logs that are older than previous collection start date
diff --git a/app/views/logs/index.html.erb b/app/views/logs/index.html.erb
index 15b8f79d4..66f50c3d7 100644
--- a/app/views/logs/index.html.erb
+++ b/app/views/logs/index.html.erb
@@ -48,7 +48,7 @@
     <div class="govuk-grid-row">
       <div class="govuk-grid-column-two-thirds">
         <p class="govuk-body-l">
-          You have uploaded <%= pluralize(@bulk_upload.logs.count, "log") %>. There are errors in <%= pluralize(@bulk_upload.logs_with_errors_count, "log") %>, and <%= pluralize(@bulk_upload.bulk_upload_errors.count, "error") %> in total. Select the log to fix the errors.
+          You have uploaded <%= pluralize(@bulk_upload.logs.count, "log") %>. There are errors in <%= pluralize(@bulk_upload.remaining_logs_with_errors_count, "log") %>, and <%= pluralize(@bulk_upload.remaining_errors_count, "error") %> in total. Select the log to fix the errors.
         </p>
 
         <p class="govuk-body">
diff --git a/spec/requests/lettings_logs_controller_spec.rb b/spec/requests/lettings_logs_controller_spec.rb
index d2ea715ff..6a33ee027 100644
--- a/spec/requests/lettings_logs_controller_spec.rb
+++ b/spec/requests/lettings_logs_controller_spec.rb
@@ -552,7 +552,7 @@ RSpec.describe LettingsLogsController, type: :request do
               let(:user) { create(:user, organisation:) }
               let(:bulk_upload) { create(:bulk_upload, :lettings, user:) }
 
-              let!(:included_log) { create(:lettings_log, :in_progress, bulk_upload:, owning_organisation: organisation) }
+              let!(:included_log) { create(:lettings_log, :completed, age1: nil, bulk_upload:, owning_organisation: organisation) }
               let!(:excluded_log) { create(:lettings_log, :in_progress, owning_organisation: organisation, tenancycode: "fake_code") }
 
               before do
@@ -602,6 +602,12 @@ RSpec.describe LettingsLogsController, type: :request do
                 expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log, and 1 error in total. Select the log to fix the errors.")
               end
 
+              it "displays dynamic error number" do
+                included_log.update!(age2: nil)
+                get "/lettings-logs?bulk_upload_id[]=#{bulk_upload.id}"
+                expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log, and 2 errors in total. Select the log to fix the errors.")
+              end
+
               it "displays meta info about the bulk upload" do
                 get "/lettings-logs?bulk_upload_id[]=#{bulk_upload.id}"
                 expect(page).to have_content(bulk_upload.filename)
diff --git a/spec/requests/sales_logs_controller_spec.rb b/spec/requests/sales_logs_controller_spec.rb
index e837a21dc..a9bf07883 100644
--- a/spec/requests/sales_logs_controller_spec.rb
+++ b/spec/requests/sales_logs_controller_spec.rb
@@ -449,7 +449,7 @@ RSpec.describe SalesLogsController, type: :request do
               let(:user) { create(:user, organisation:) }
               let(:bulk_upload) { create(:bulk_upload, :sales, user:) }
 
-              let!(:included_log) { create(:sales_log, :in_progress, purchid: "included_id", bulk_upload:, owning_organisation: organisation) }
+              let!(:included_log) { create(:sales_log, :completed, age1: nil, purchid: "included_id", bulk_upload:, owning_organisation: organisation) }
               let!(:excluded_log) { create(:sales_log, :in_progress, purchid: "excluded_id", owning_organisation: organisation) }
 
               before do
@@ -499,6 +499,12 @@ RSpec.describe SalesLogsController, type: :request do
                 expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log, and 1 error in total. Select the log to fix the errors.")
               end
 
+              it "displays dynamic error number" do
+                included_log.update!(age2: nil)
+                get "/lettings-logs?bulk_upload_id[]=#{bulk_upload.id}"
+                expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log, and 2 errors in total. Select the log to fix the errors.")
+              end
+
               it "displays meta info about the bulk upload" do
                 get "/sales-logs?bulk_upload_id[]=#{bulk_upload.id}"
                 expect(page).to have_content(bulk_upload.filename)