diff --git a/components/servicebanner.js b/components/servicebanner.js
index 324c82ee..36803992 100644
--- a/components/servicebanner.js
+++ b/components/servicebanner.js
@@ -1,46 +1,118 @@
 import useTranslation from "next-translate/useTranslation";
 import router from "next/router";
 import Link from "next/link";
+import CaseNoticeBanner from "./case/caseNoticeBanner";
 
 export default function ServiceBanner(props) {
     let { t, lang } = useTranslation();
 
+    const showSigninFromEnv = false;
+    const showNoticeFromEnv = true;
+
+    // keep backwards-compat with existing usage
+    const showSignin = props?.noSignin === true ? false : showSigninFromEnv;
+
     const signInButton = () => {
         router.push(
             `${
                 router.locale == "cy" ? "/awd/mewngofnodi" : "/auth/signin"
             }?callbackUrl=${encodeURIComponent(
-                window.location.href
-            )}&error=EmailSignin`
+                window.location.href,
+            )}&error=EmailSignin`,
         );
     };
     return (
-        <div className="servicebanner">
-            <h1>
-                <img
-                    className={
-                        router.locale == "cy"
-                            ? "govuk-!-margin-top-4 serviceTitle cy"
-                            : "govuk-!-margin-top-4 serviceTitle"
-                    }
-                    src={
-                        router.locale == "cy"
-                            ? "/assets/images/planning-casework-cy.svg"
-                            : "/assets/images/planning-casework-en.svg"
-                    }
-                    alt="Planning casework"
-                />
-            </h1>
-            {props.noSignin != true && (
-                <div className="serviceBanner_userDetails">
-                    <button
-                        onClick={() => signInButton()}
-                        className="govuk-header__link "
+        <>
+            <div className="servicebanner">
+                <h1>
+                    <img
+                        className={
+                            router.locale == "cy"
+                                ? "govuk-!-margin-top-4 serviceTitle cy"
+                                : "govuk-!-margin-top-4 serviceTitle"
+                        }
+                        src={
+                            router.locale == "cy"
+                                ? "/assets/images/planning-casework-cy.svg"
+                                : "/assets/images/planning-casework-en.svg"
+                        }
+                        alt="Planning casework"
+                    />
+                </h1>
+
+                {showSignin && props.noSignin != true && (
+                    <div className="serviceBanner_userDetails">
+                        <button
+                            onClick={() => signInButton()}
+                            className="govuk-header__link "
+                        >
+                            {t("common:signin-label")}
+                        </button>
+                    </div>
+                )}
+            </div>
+
+            {showNoticeFromEnv && (
+                <div>
+                    <div
+                        className="govuk-warning-text noticebanner govuk-!-margin-bottom-0"
+                        key={1}
                     >
-                        {t("common:signin-label")}
-                    </button>
+                        <strong className="govuk-warning-text__text">
+                            <span className="govuk-visually-hidden">
+                                Announcement
+                            </span>
+                        </strong>
+                        <div>
+                            <div className=" govuk-body-s">
+                                <h2 className="govuk-heading-s">
+                                    {router.locale == "cy"
+                                        ? "Cyhoeddiad"
+                                        : "Announcement"}
+                                </h2>
+                            </div>
+                            <div className="govuk-body-s">
+                                {router.locale == "cy" ? (
+                                    <>
+                                        <p>
+                                            Oherwydd gwaith cynnal a chadw
+                                            hanfodol, rydym yn disgwyl rhywfaint
+                                            o darfu ar ein gwasanaethau Porth
+                                            Gwaith Achos rhwng 9-13 Chwefror
+                                            2026.{" "}
+                                        </p>
+                                        <p>
+                                            Ymddiheurwn am yr anghyfleustra. Am
+                                            ymholiadau brys yn ystod y cyfnod
+                                            hwn, cysylltwch â{" "}
+                                            <a href="mailto:pedw.gwaithachos@llyw.cymru">
+                                                pedw.gwaithachos@llyw.cymru
+                                            </a>
+                                        </p>
+                                    </>
+                                ) : (
+                                    <>
+                                        <p>
+                                            Due to essential maintenance, we are
+                                            expecting some disruption to our
+                                            Casework Portal services between
+                                            9-13 February 2026.
+                                        </p>
+                                        <p>
+                                            We apologise for the inconvenience.
+                                            For urgent enquries during this time
+                                            please contact{" "}
+                                            <a href="mailto:pedw.casework@gov.wales">
+                                                pedw.casework@gov.wales
+                                            </a>
+                                        </p>
+                                    </>
+                                )}
+                            </div>
+                        </div>
+                    </div>
                 </div>
             )}
-        </div>
+        </>
     );
 }