diff --git a/homeassistant/components/plugwise/number.py b/homeassistant/components/plugwise/number.py
index 6fd3f7f92da..7e387abea02 100644
--- a/homeassistant/components/plugwise/number.py
+++ b/homeassistant/components/plugwise/number.py
@@ -60,6 +60,16 @@ NUMBER_TYPES = (
         entity_category=EntityCategory.CONFIG,
         native_unit_of_measurement=UnitOfTemperature.CELSIUS,
     ),
+    PlugwiseNumberEntityDescription(
+        key="temperature_offset",
+        translation_key="temperature_offset",
+        command=lambda api, number, dev_id, value: api.set_temperature_offset(
+            number, dev_id, value
+        ),
+        device_class=NumberDeviceClass.TEMPERATURE,
+        entity_category=EntityCategory.CONFIG,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+    ),
 )
 
 
diff --git a/homeassistant/components/plugwise/strings.json b/homeassistant/components/plugwise/strings.json
index 5210f8a6dc0..2714d657267 100644
--- a/homeassistant/components/plugwise/strings.json
+++ b/homeassistant/components/plugwise/strings.json
@@ -79,6 +79,9 @@
       },
       "max_dhw_temperature": {
         "name": "Domestic hot water setpoint"
+      },
+      "temperature_offset": {
+        "name": "Temperature offset"
       }
     },
     "select": {
diff --git a/tests/components/plugwise/test_number.py b/tests/components/plugwise/test_number.py
index bccf257a433..6572a0df20e 100644
--- a/tests/components/plugwise/test_number.py
+++ b/tests/components/plugwise/test_number.py
@@ -69,3 +69,23 @@ async def test_adam_dhw_setpoint_change(
     mock_smile_adam_2.set_number_setpoint.assert_called_with(
         "max_dhw_temperature", "056ee145a816487eaa69243c3280f8bf", 55.0
     )
+
+
+async def test_adam_temperature_offset_change(
+    hass: HomeAssistant, mock_smile_adam: MagicMock, init_integration: MockConfigEntry
+) -> None:
+    """Test changing of number entities."""
+    await hass.services.async_call(
+        NUMBER_DOMAIN,
+        SERVICE_SET_VALUE,
+        {
+            ATTR_ENTITY_ID: "number.zone_thermostat_jessie_temperature_offset",
+            ATTR_VALUE: 1.0,
+        },
+        blocking=True,
+    )
+
+    assert mock_smile_adam.set_temperature_offset.call_count == 1
+    mock_smile_adam.set_temperature_offset.assert_called_with(
+        "temperature_offset", "6a3bf693d05e48e0b460c815a4fdd09d", 1.0
+    )