diff --git a/app/jobs/create_addresses_csv_job.rb b/app/jobs/create_addresses_csv_job.rb
index ef83ee746..3a6352f29 100644
--- a/app/jobs/create_addresses_csv_job.rb
+++ b/app/jobs/create_addresses_csv_job.rb
@@ -14,7 +14,7 @@ class CreateAddressesCsvJob < ApplicationJob
       filename = "#{['sales-logs-addresses', organisation.name, Time.zone.now].compact.join('-')}.csv"
     end
 
-    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
     storage_service.write_file(filename, BYTE_ORDER_MARK + csv_string)
 
     Rails.logger.info("Created addresses file: #{filename}")
diff --git a/app/jobs/data_export_xml_job.rb b/app/jobs/data_export_xml_job.rb
index 60633d21a..8b825f6df 100644
--- a/app/jobs/data_export_xml_job.rb
+++ b/app/jobs/data_export_xml_job.rb
@@ -2,7 +2,7 @@ class DataExportXmlJob < ApplicationJob
   queue_as :default
 
   def perform(full_update: false)
-    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["EXPORT_PAAS_INSTANCE"])
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["EXPORT_BUCKET"])
     export_service = Exports::LettingsLogExportService.new(storage_service)
 
     export_service.export_xml_lettings_logs(full_update:)
diff --git a/app/jobs/email_csv_job.rb b/app/jobs/email_csv_job.rb
index 7658cf755..3166bb729 100644
--- a/app/jobs/email_csv_job.rb
+++ b/app/jobs/email_csv_job.rb
@@ -20,7 +20,7 @@ class EmailCsvJob < ApplicationJob
 
     filename = "#{[log_type, 'logs', organisation&.name, Time.zone.now].compact.join('-')}.csv"
 
-    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
     storage_service.write_file(filename, BYTE_ORDER_MARK + csv_string)
 
     url = storage_service.get_presigned_url(filename, EXPIRATION_TIME)
diff --git a/app/jobs/email_missing_addresses_csv_job.rb b/app/jobs/email_missing_addresses_csv_job.rb
index d8b756b20..4f2d1a3fb 100644
--- a/app/jobs/email_missing_addresses_csv_job.rb
+++ b/app/jobs/email_missing_addresses_csv_job.rb
@@ -18,7 +18,7 @@ class EmailMissingAddressesCsvJob < ApplicationJob
       email_method = :send_missing_sales_addresses_csv_download_mail
     end
 
-    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
     storage_service.write_file(filename, BYTE_ORDER_MARK + csv_string)
 
     url = storage_service.get_presigned_url(filename, EXPIRATION_TIME)
diff --git a/app/jobs/scheme_email_csv_job.rb b/app/jobs/scheme_email_csv_job.rb
index 9c3060cb9..44d016a90 100644
--- a/app/jobs/scheme_email_csv_job.rb
+++ b/app/jobs/scheme_email_csv_job.rb
@@ -23,7 +23,7 @@ class SchemeEmailCsvJob < ApplicationJob
       filename = "#{['schemes-and-locations', organisation&.name, Time.zone.now].compact.join('-')}.csv"
     end
 
-    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
     storage_service.write_file(filename, BYTE_ORDER_MARK + csv_string)
 
     url = storage_service.get_presigned_url(filename, EXPIRATION_TIME)
diff --git a/app/models/forms/bulk_upload_lettings/upload_your_file.rb b/app/models/forms/bulk_upload_lettings/upload_your_file.rb
index 319bfc636..9ccec7622 100644
--- a/app/models/forms/bulk_upload_lettings/upload_your_file.rb
+++ b/app/models/forms/bulk_upload_lettings/upload_your_file.rb
@@ -56,7 +56,7 @@ module Forms
 
       def storage_service
         @storage_service ||= if upload_enabled?
-                               Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+                               Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
                              else
                                Storage::LocalDiskService.new
                              end
diff --git a/app/models/forms/bulk_upload_sales/upload_your_file.rb b/app/models/forms/bulk_upload_sales/upload_your_file.rb
index 37199ab92..de650c831 100644
--- a/app/models/forms/bulk_upload_sales/upload_your_file.rb
+++ b/app/models/forms/bulk_upload_sales/upload_your_file.rb
@@ -49,7 +49,7 @@ module Forms
 
       def storage_service
         @storage_service ||= if FeatureToggle.upload_enabled?
-                               Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+                               Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
                              else
                                Storage::LocalDiskService.new
                              end
diff --git a/app/services/bulk_update_from_csv/update_locations_from_csv_service.rb b/app/services/bulk_update_from_csv/update_locations_from_csv_service.rb
index 4a2577fc3..56a8da6d1 100644
--- a/app/services/bulk_update_from_csv/update_locations_from_csv_service.rb
+++ b/app/services/bulk_update_from_csv/update_locations_from_csv_service.rb
@@ -5,7 +5,7 @@ class BulkUpdateFromCsv::UpdateLocationsFromCsvService
   end
 
   def call
-    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
 
     original_locations_csv = csv_from_path(@original_file_name, s3_service)
     updated_locations_csv = csv_from_path(@updated_file_name, s3_service)
diff --git a/app/services/bulk_update_from_csv/update_schemes_from_csv_service.rb b/app/services/bulk_update_from_csv/update_schemes_from_csv_service.rb
index bb4a0c261..ff9a42494 100644
--- a/app/services/bulk_update_from_csv/update_schemes_from_csv_service.rb
+++ b/app/services/bulk_update_from_csv/update_schemes_from_csv_service.rb
@@ -5,7 +5,7 @@ class BulkUpdateFromCsv::UpdateSchemesFromCsvService
   end
 
   def call
-    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
 
     original_schemes_csv = csv_from_path(@original_file_name, s3_service)
     updated_schemes_csv = csv_from_path(@updated_file_name, s3_service)
diff --git a/app/services/bulk_upload/downloader.rb b/app/services/bulk_upload/downloader.rb
index 452aed689..a7dc9aad0 100644
--- a/app/services/bulk_upload/downloader.rb
+++ b/app/services/bulk_upload/downloader.rb
@@ -37,7 +37,7 @@ private
   end
 
   def s3_storage_service
-    Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
   end
 
   def local_disk_storage_service
diff --git a/lib/tasks/data_export.rake b/lib/tasks/data_export.rake
index e62d6ee65..719462cb4 100644
--- a/lib/tasks/data_export.rake
+++ b/lib/tasks/data_export.rake
@@ -9,7 +9,7 @@ namespace :core do
   desc "Export all data XMLs for import into Central Data System (CDS)"
   task :full_data_export_xml, %i[year] => :environment do |_task, args|
     collection_year = args[:year].present? ? args[:year].to_i : nil
-    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["EXPORT_PAAS_INSTANCE"])
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["EXPORT_BUCKET"])
     export_service = Exports::LettingsLogExportService.new(storage_service)
 
     export_service.export_xml_lettings_logs(full_update: true, collection_year:)
diff --git a/lib/tasks/import_address_from_csv.rake b/lib/tasks/import_address_from_csv.rake
index e6c44872b..6b6d6e1ba 100644
--- a/lib/tasks/import_address_from_csv.rake
+++ b/lib/tasks/import_address_from_csv.rake
@@ -5,7 +5,7 @@ namespace :data_import do
 
     raise "Usage: rake data_import:import_lettings_addresses_from_csv['csv_file_name']" if file_name.blank?
 
-    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
     file_io = s3_service.get_file_io(file_name)
     file_io.set_encoding_by_bom
     addresses_csv = CSV.parse(file_io, headers: true)
@@ -69,7 +69,7 @@ namespace :data_import do
 
     raise "Usage: rake data_import:import_sales_addresses_from_csv['csv_file_name']" if file_name.blank?
 
-    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    s3_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["BULK_UPLOAD_BUCKET"])
     file_io = s3_service.get_file_io(file_name)
     file_io.set_encoding_by_bom
     addresses_csv = CSV.parse(file_io, headers: true)
diff --git a/spec/lib/tasks/correct_address_from_csv_spec.rb b/spec/lib/tasks/correct_address_from_csv_spec.rb
index 26b048e5f..22b504eaf 100644
--- a/spec/lib/tasks/correct_address_from_csv_spec.rb
+++ b/spec/lib/tasks/correct_address_from_csv_spec.rb
@@ -15,7 +15,7 @@ RSpec.describe "data_import" do
     allow(Storage::S3Service).to receive(:new).and_return(storage_service)
     allow(Configuration::EnvConfigurationService).to receive(:new).and_return(env_config_service)
     allow(ENV).to receive(:[])
-    allow(ENV).to receive(:[]).with("CSV_DOWNLOAD_PAAS_INSTANCE").and_return(instance_name)
+    allow(ENV).to receive(:[]).with("BULK_UPLOAD_BUCKET").and_return(instance_name)
     allow(ENV).to receive(:[]).with("VCAP_SERVICES").and_return("dummy")
 
     WebMock.stub_request(:get, /api\.postcodes\.io/)
diff --git a/spec/lib/tasks/data_export_spec.rb b/spec/lib/tasks/data_export_spec.rb
index 8e98309a8..afb99f872 100644
--- a/spec/lib/tasks/data_export_spec.rb
+++ b/spec/lib/tasks/data_export_spec.rb
@@ -2,7 +2,7 @@ require "rails_helper"
 require "rake"
 
 describe "rake core:data_export", type: task do
-  let(:export_instance) { "export_instance" }
+  let(:export_bucket) { "export_bucket" }
   let(:storage_service) { instance_double(Storage::S3Service) }
   let(:export_service) { instance_double(Exports::LettingsLogExportService) }
 
@@ -14,7 +14,7 @@ describe "rake core:data_export", type: task do
     allow(Storage::S3Service).to receive(:new).and_return(storage_service)
     allow(Exports::LettingsLogExportService).to receive(:new).and_return(export_service)
     allow(ENV).to receive(:[])
-    allow(ENV).to receive(:[]).with("EXPORT_PAAS_INSTANCE").and_return(export_instance)
+    allow(ENV).to receive(:[]).with("EXPORT_BUCKET").and_return(export_bucket)
   end
 
   context "when exporting lettings logs with no parameters" do
diff --git a/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb b/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb
index e3bdc6831..ba87cc15a 100644
--- a/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb
+++ b/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb
@@ -22,7 +22,7 @@ RSpec.describe "bulk_update" do
     allow(Storage::S3Service).to receive(:new).and_return(storage_service)
     allow(Configuration::EnvConfigurationService).to receive(:new).and_return(env_config_service)
     allow(ENV).to receive(:[])
-    allow(ENV).to receive(:[]).with("CSV_DOWNLOAD_PAAS_INSTANCE").and_return(instance_name)
+    allow(ENV).to receive(:[]).with("BULK_UPLOAD_BUCKET").and_return(instance_name)
 
     WebMock.stub_request(:get, /api\.postcodes\.io/)
       .to_return(status: 200, body: "{\"status\":404,\"error\":\"Postcode not found\"}", headers: {})