diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index ae9e1beb9..bcf8bd428 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -7,9 +7,9 @@ class ApplicationController < ActionController::Base
   before_action :set_paper_trail_whodunnit
 
   def check_maintenance
-    if FeatureToggle.maintenance_mode_enabled? && !%w[service-unavailable accessibility-statement privacy-notice cookies].include?(request.fullpath.split("?")[0].delete("/"))
+    if FeatureToggle.service_unavailable? && !%w[service-unavailable accessibility-statement privacy-notice cookies].include?(request.fullpath.split("?")[0].delete("/"))
       redirect_to service_unavailable_path
-    elsif !FeatureToggle.maintenance_mode_enabled? && request.fullpath.split("?")[0].delete("/") == "service-unavailable"
+    elsif !FeatureToggle.service_unavailable? && request.fullpath.split("?")[0].delete("/") == "service-unavailable"
       redirect_back(fallback_location: root_path)
     end
   end
diff --git a/app/services/feature_toggle.rb b/app/services/feature_toggle.rb
index 3cad5dadb..94ad48906 100644
--- a/app/services/feature_toggle.rb
+++ b/app/services/feature_toggle.rb
@@ -38,7 +38,7 @@ class FeatureToggle
     !Rails.env.production?
   end
 
-  def self.maintenance_mode_enabled?
+  def self.service_unavailable?
     false
   end
 end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index d70c1e09a..2df4b9379 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -91,7 +91,7 @@
       navigation_classes: "govuk-header__navigation--end",
     ) do |component|
       component.product_name(name: t("service_name"))
-      unless FeatureToggle.maintenance_mode_enabled?
+      unless FeatureToggle.service_unavailable?
         if current_user.nil?
           component.navigation_item(text: "Sign in", href: user_session_path)
         else
diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
index 60cc29b3a..bb492ed23 100644
--- a/config/initializers/sidekiq.rb
+++ b/config/initializers/sidekiq.rb
@@ -33,7 +33,7 @@ Redis.silence_deprecations = true
 Sidekiq.configure_server do |config|
   config.on(:startup) do
     Sidekiq::Cron::Job.all.each(&:destroy)
-    unless FeatureToggle.maintenance_mode_enabled?
+    unless FeatureToggle.service_unavailable?
       Sidekiq::Cron::Job.load_from_hash YAML.load_file("config/sidekiq_cron_schedule.yml")
     end
   end
diff --git a/spec/controllers/maintenance_controller_spec.rb b/spec/controllers/maintenance_controller_spec.rb
index 032ac4858..8d27f1588 100644
--- a/spec/controllers/maintenance_controller_spec.rb
+++ b/spec/controllers/maintenance_controller_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe MaintenanceController do
   describe "GET #service_unavailable" do
     context "when maintenance mode is enabled" do
       it "logs the user out" do
-        allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+        allow(FeatureToggle).to receive(:service_unavailable?).and_return(true)
         sign_in user
         expect(controller).to be_user_signed_in
         get :service_unavailable
@@ -16,7 +16,7 @@ RSpec.describe MaintenanceController do
 
     context "when maintenance mode is disabled" do
       it "doesn't log the user out" do
-        allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(false)
+        allow(FeatureToggle).to receive(:service_unavailable?).and_return(false)
         sign_in user
         expect(controller).to be_user_signed_in
         get :service_unavailable
diff --git a/spec/features/user_spec.rb b/spec/features/user_spec.rb
index ca4e01ac6..285ddef27 100644
--- a/spec/features/user_spec.rb
+++ b/spec/features/user_spec.rb
@@ -141,7 +141,7 @@ RSpec.describe "User Features" do
     end
 
     it "does not show 'Sign in' link if maintenance mode is enabled" do
-      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+      allow(FeatureToggle).to receive(:service_unavailable?).and_return(true)
       visit("/lettings-logs")
       expect(page).not_to have_link("Sign in")
     end
@@ -332,7 +332,7 @@ RSpec.describe "User Features" do
       end
 
       it "does not show 'Your account' or 'Sign out' links if maintenance mode is enabled" do
-        allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+        allow(FeatureToggle).to receive(:service_unavailable?).and_return(true)
         visit("/lettings-logs")
         expect(page).not_to have_link("Your account")
         expect(page).not_to have_link("Sign out")
diff --git a/spec/requests/content_controller_spec.rb b/spec/requests/content_controller_spec.rb
index c978ecaa9..35068682b 100644
--- a/spec/requests/content_controller_spec.rb
+++ b/spec/requests/content_controller_spec.rb
@@ -50,7 +50,7 @@ RSpec.describe ContentController, type: :request do
 
   describe "when maintenance mode is enabled" do
     before do
-      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+      allow(FeatureToggle).to receive(:service_unavailable?).and_return(true)
     end
 
     describe "render privacy notice content page" do
diff --git a/spec/requests/cookies_controller_spec.rb b/spec/requests/cookies_controller_spec.rb
index 82cf06a10..ef530c930 100644
--- a/spec/requests/cookies_controller_spec.rb
+++ b/spec/requests/cookies_controller_spec.rb
@@ -22,7 +22,7 @@ RSpec.describe CookiesController, type: :request do
 
   describe "when maintenance mode is enabled" do
     before do
-      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+      allow(FeatureToggle).to receive(:service_unavailable?).and_return(true)
     end
 
     describe "render cookies page" do
diff --git a/spec/requests/maintenance_controller_spec.rb b/spec/requests/maintenance_controller_spec.rb
index d900df3c5..1e8251518 100644
--- a/spec/requests/maintenance_controller_spec.rb
+++ b/spec/requests/maintenance_controller_spec.rb
@@ -10,7 +10,7 @@ RSpec.describe MaintenanceController, type: :request do
 
   describe "when maintenance mode is enabled" do
     before do
-      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+      allow(FeatureToggle).to receive(:service_unavailable?).and_return(true)
     end
 
     context "when a user visits a page other than the maintenance page" do
@@ -48,7 +48,7 @@ RSpec.describe MaintenanceController, type: :request do
 
   describe "when maintenance mode is disabled" do
     before do
-      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(false)
+      allow(FeatureToggle).to receive(:service_unavailable?).and_return(false)
     end
 
     context "when a user visits a page other than the maintenance page" do