diff --git a/homeassistant/components/knx/__init__.py b/homeassistant/components/knx/__init__.py
index 5a66824fbcb..61d49243430 100644
--- a/homeassistant/components/knx/__init__.py
+++ b/homeassistant/components/knx/__init__.py
@@ -29,6 +29,7 @@ from homeassistant.const import (
     CONF_PORT,
     CONF_TYPE,
     EVENT_HOMEASSISTANT_STOP,
+    Platform,
 )
 from homeassistant.core import Event, HomeAssistant, ServiceCall
 from homeassistant.exceptions import ConfigEntryNotReady, HomeAssistantError
@@ -44,6 +45,7 @@ from .const import (
     CONF_KNX_INDIVIDUAL_ADDRESS,
     CONF_KNX_ROUTING,
     CONF_KNX_TUNNELING,
+    DATA_HASS_CONFIG,
     DATA_KNX_CONFIG,
     DOMAIN,
     KNX_ADDRESS,
@@ -195,6 +197,7 @@ SERVICE_KNX_EXPOSURE_REGISTER_SCHEMA = vol.Any(
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Start the KNX integration."""
+    hass.data[DATA_HASS_CONFIG] = config
     conf: ConfigType | None = config.get(DOMAIN)
 
     if conf is None:
@@ -251,15 +254,19 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
             )
 
     hass.config_entries.async_setup_platforms(
-        entry, [platform for platform in SUPPORTED_PLATFORMS if platform in config]
+        entry,
+        [
+            platform
+            for platform in SUPPORTED_PLATFORMS
+            if platform in config and platform is not Platform.NOTIFY
+        ],
     )
 
-    # set up notify platform, no entry support for notify component yet,
-    # have to use discovery to load platform.
-    if NotifySchema.PLATFORM in conf:
+    # set up notify platform, no entry support for notify component yet
+    if NotifySchema.PLATFORM in config:
         hass.async_create_task(
             discovery.async_load_platform(
-                hass, "notify", DOMAIN, conf[NotifySchema.PLATFORM], config
+                hass, "notify", DOMAIN, {}, hass.data[DATA_HASS_CONFIG]
             )
         )
 
@@ -312,6 +319,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
             platform
             for platform in SUPPORTED_PLATFORMS
             if platform in hass.data[DATA_KNX_CONFIG]
+            and platform is not Platform.NOTIFY
         ],
     )
     if unload_ok:
diff --git a/homeassistant/components/knx/const.py b/homeassistant/components/knx/const.py
index 950deff95c1..f50460de173 100644
--- a/homeassistant/components/knx/const.py
+++ b/homeassistant/components/knx/const.py
@@ -42,7 +42,10 @@ CONF_STATE_ADDRESS: Final = "state_address"
 CONF_SYNC_STATE: Final = "sync_state"
 CONF_KNX_INITIAL_CONNECTION_TYPES: Final = [CONF_KNX_TUNNELING, CONF_KNX_ROUTING]
 
+# yaml config merged with config entry data
 DATA_KNX_CONFIG: Final = "knx_config"
+# original hass yaml config
+DATA_HASS_CONFIG: Final = "knx_hass_config"
 
 ATTR_COUNTER: Final = "counter"
 ATTR_SOURCE: Final = "source"
diff --git a/homeassistant/components/knx/notify.py b/homeassistant/components/knx/notify.py
index 61bee14e5e2..ee170f55802 100644
--- a/homeassistant/components/knx/notify.py
+++ b/homeassistant/components/knx/notify.py
@@ -11,7 +11,8 @@ from homeassistant.const import CONF_NAME
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from .const import DOMAIN, KNX_ADDRESS
+from .const import DATA_KNX_CONFIG, DOMAIN, KNX_ADDRESS
+from .schema import NotifySchema
 
 
 async def async_get_service(
@@ -20,24 +21,28 @@ async def async_get_service(
     discovery_info: DiscoveryInfoType | None = None,
 ) -> KNXNotificationService | None:
     """Get the KNX notification service."""
-    if not discovery_info:
+    if discovery_info is None:
         return None
 
-    platform_config: dict = discovery_info
-    xknx: XKNX = hass.data[DOMAIN].xknx
+    if platform_config := hass.data[DATA_KNX_CONFIG].get(NotifySchema.PLATFORM):
+        xknx: XKNX = hass.data[DOMAIN].xknx
 
-    notification_devices = []
-    for device_config in platform_config:
-        notification_devices.append(
-            XknxNotification(
-                xknx,
-                name=device_config[CONF_NAME],
-                group_address=device_config[KNX_ADDRESS],
+        notification_devices = []
+        for device_config in platform_config:
+            notification_devices.append(
+                XknxNotification(
+                    xknx,
+                    name=device_config[CONF_NAME],
+                    group_address=device_config[KNX_ADDRESS],
+                )
             )
+        return (
+            KNXNotificationService(notification_devices)
+            if notification_devices
+            else None
         )
-    return (
-        KNXNotificationService(notification_devices) if notification_devices else None
-    )
+
+    return None
 
 
 class KNXNotificationService(BaseNotificationService):