Use path helpers

app/helpers/check_answers_helper.rb

@@ -18,9 +18,9 @@ module CheckAnswersHelper
 
   def get_location_change_link_href(scheme, location)
     if location.confirmed?
-      "/schemes/#{scheme.id}/locations/#{location.id}/edit-name"
+      location_edit_name_path(id: scheme.id, location_id: location.id)
     else
-      "/schemes/#{scheme.id}/locations/#{location.id}/edit"
+      location_edit_path(id: scheme.id, location_id: location.id)
     end
   end
 

app/views/locations/edit.html.erb

@@ -7,7 +7,9 @@
   ) %>
 <% end %>
 
-<%= form_for(@location, method: :patch, url: location_path) do |f| %>
+<%= render partial: "organisations/headings", locals: { main: "Add a location to this scheme", sub: @scheme.service_name } %>
+
+<%= form_for(@location, method: :patch, url: location_path(location_id: @location.id)) do |f| %>
   <div class="govuk-grid-row">
     <div class="govuk-grid-column-two-thirds">
       <%= f.govuk_error_summary %>

config/routes.rb

@@ -48,6 +48,7 @@ Rails.application.routes.draw do
     member do
       resources :locations do
         get "edit-name", to: "locations#edit_name"
+        get "edit", to: "locations#edit"
       end
     end
   end