diff --git a/homeassistant/components/knx/factory.py b/homeassistant/components/knx/factory.py
index 0543119cadf..827ec83a8e1 100644
--- a/homeassistant/components/knx/factory.py
+++ b/homeassistant/components/knx/factory.py
@@ -264,9 +264,9 @@ def _create_climate(knx_module: XKNX, config: ConfigType) -> XknxClimate:
         max_temp=config.get(ClimateSchema.CONF_MAX_TEMP),
         mode=climate_mode,
         on_off_invert=config[ClimateSchema.CONF_ON_OFF_INVERT],
-        create_temperature_sensors=config.get(
+        create_temperature_sensors=config[
             ClimateSchema.CONF_CREATE_TEMPERATURE_SENSORS
-        ),
+        ],
     )
 
 
@@ -277,7 +277,7 @@ def _create_switch(knx_module: XKNX, config: ConfigType) -> XknxSwitch:
         name=config[CONF_NAME],
         group_address=config[KNX_ADDRESS],
         group_address_state=config.get(SwitchSchema.CONF_STATE_ADDRESS),
-        invert=config.get(SwitchSchema.CONF_INVERT),
+        invert=config[SwitchSchema.CONF_INVERT],
     )
 
 
@@ -320,7 +320,7 @@ def _create_binary_sensor(knx_module: XKNX, config: ConfigType) -> XknxBinarySen
         knx_module,
         name=device_name,
         group_address_state=config[BinarySensorSchema.CONF_STATE_ADDRESS],
-        invert=config.get(BinarySensorSchema.CONF_INVERT),
+        invert=config[BinarySensorSchema.CONF_INVERT],
         sync_state=config[BinarySensorSchema.CONF_SYNC_STATE],
         device_class=config.get(CONF_DEVICE_CLASS),
         ignore_internal_state=config[BinarySensorSchema.CONF_IGNORE_INTERNAL_STATE],
diff --git a/homeassistant/components/knx/schema.py b/homeassistant/components/knx/schema.py
index 0e290311f28..6ff9d295b75 100644
--- a/homeassistant/components/knx/schema.py
+++ b/homeassistant/components/knx/schema.py
@@ -30,13 +30,13 @@ from .const import (
 ##################
 
 ga_validator = vol.Any(
-    cv.matches_regex(GroupAddress.ADDRESS_RE),
+    cv.matches_regex(GroupAddress.ADDRESS_RE.pattern),
     vol.All(vol.Coerce(int), vol.Range(min=1, max=65535)),
     msg="value does not match pattern for KNX group address '<main>/<middle>/<sub>', '<main>/<sub>' or '<free>' (eg.'1/2/3', '9/234', '123')",
 )
 
 ia_validator = vol.Any(
-    cv.matches_regex(IndividualAddress.ADDRESS_RE),
+    cv.matches_regex(IndividualAddress.ADDRESS_RE.pattern),
     vol.All(vol.Coerce(int), vol.Range(min=1, max=65535)),
     msg="value does not match pattern for KNX individual address '<area>.<line>.<device>' (eg.'1.1.100')",
 )
@@ -96,12 +96,12 @@ class BinarySensorSchema:
                 vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
                 vol.Optional(CONF_SYNC_STATE, default=True): sync_state_validator,
                 vol.Optional(CONF_IGNORE_INTERNAL_STATE, default=False): cv.boolean,
+                vol.Optional(CONF_INVERT, default=False): cv.boolean,
                 vol.Required(CONF_STATE_ADDRESS): ga_validator,
                 vol.Optional(CONF_CONTEXT_TIMEOUT): vol.All(
                     vol.Coerce(float), vol.Range(min=0, max=10)
                 ),
                 vol.Optional(CONF_DEVICE_CLASS): cv.string,
-                vol.Optional(CONF_INVERT): cv.boolean,
                 vol.Optional(CONF_RESET_AFTER): cv.positive_float,
             }
         ),
@@ -448,9 +448,9 @@ class SwitchSchema:
     SCHEMA = vol.Schema(
         {
             vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+            vol.Optional(CONF_INVERT, default=False): cv.boolean,
             vol.Required(KNX_ADDRESS): ga_validator,
             vol.Optional(CONF_STATE_ADDRESS): ga_validator,
-            vol.Optional(CONF_INVERT): cv.boolean,
         }
     )