diff --git a/.circleci/config.yml b/.circleci/config.yml
index 314eb43a1..2e7afe334 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -87,6 +87,15 @@ workflows:
   version: 2
   build-test-and-deploy:
     jobs:
+      - request-demo-build-approval:
+          type: approval
+          requires:
+            - helm_lint
+          filters:
+            branches:
+              only:
+                - /demo-.*/
+
       - hmpps/helm_lint:
           name: helm_lint
       - hmpps/build_docker:
@@ -96,6 +105,7 @@ workflows:
               only:
                 - main
 
+
       - hmpps/deploy_env:
           name: deploy_dev
           env: 'dev'
@@ -136,6 +146,37 @@ workflows:
           requires:
             - request-test-approval
 
+      - request-demo-build-and-deploy-approval:
+          type: approval
+          requires:
+            - helm_lint
+          filters:
+            branches:
+              only:
+                - /demo-.*/
+
+      - hmpps/build_docker:
+          name: build_docker_for_demo
+          filters:
+            branches:
+              only:
+                - /demo-.*/
+          requires:
+            - request-demo-build-and-deploy-approval
+
+      - hmpps/deploy_env:
+          name: deploy_demo_preview
+          env: "demo"
+          context:
+            - hmpps-common-vars
+            - hmpps-temporary-accommodation-ui-demo
+          requires:
+            - build_docker_for_demo
+          filters:
+            branches:
+              only:
+                - /demo-.*/
+
       - request-preprod-approval:
           type: approval
           requires:
diff --git a/helm_deploy/values-demo.yaml b/helm_deploy/values-demo.yaml
new file mode 100644
index 000000000..6578b67ef
--- /dev/null
+++ b/helm_deploy/values-demo.yaml
@@ -0,0 +1,30 @@
+---
+# Per environment values which override defaults in hmpps-temporary-accommodation-ui/values.yaml
+
+generic-service:
+  replicaCount: 2
+
+  ingress:
+    hosts:
+      - temporary-accommodation-demo.hmpps.service.justice.gov.uk
+      - transitional-accommodation-demo.hmpps.service.justice.gov.uk
+    contextColour: green
+    tlsSecretName: hmpps-temporary-accommodation-demo-cert
+
+  env:
+    ENVIRONMENT: demo
+    APPROVED_PREMISES_API_URL: 'https://approved-premises-api-demo.hmpps.service.justice.gov.uk'
+    FIRST_INGRESS_URL: 'https://temporary-accommodation-demo.hmpps.service.justice.gov.uk'
+    SECOND_INGRESS_URL: 'https://transitional-accommodation-demo.hmpps.service.justice.gov.uk'
+    HMPPS_AUTH_URL: 'https://sign-in-dev.hmpps.service.justice.gov.uk/auth'
+    TOKEN_VERIFICATION_API_URL: 'https://token-verification-api-dev.prison.service.justice.gov.uk'
+    AUDIT_LOG_ERRORS: 'true'
+    COMMUNITY_ACCOMMODATION_API_TIMEOUT_RESPONSE: 30000
+    COMMUNITY_ACCOMMODATION_API_TIMEOUT_DEADLINE: 30000
+    PAGINATION_ASSESSMENTS_DEFAULT_PAGE_SIZE: 100
+    DOMAIN_EVENTS_EMIT_ENABLED: 'personArrived,personDeparted'
+
+  allowlist: null
+
+generic-prometheus-alerts:
+  alertSeverity: digital-prison-service-demo