diff --git a/parking_permits/models/parking_permit.py b/parking_permits/models/parking_permit.py
index 746289c3..4e266d8b 100644
--- a/parking_permits/models/parking_permit.py
+++ b/parking_permits/models/parking_permit.py
@@ -447,6 +447,8 @@ def can_extend_permit(self):
         2. Cannot have any pending requests.
         3. Must be within 14 days of end time.
         """
+        if not settings.PERMIT_EXTENSIONS_ENABLED:
+            return False
 
         if self.status != ParkingPermitStatus.VALID:
             return False
diff --git a/parking_permits/tests/models/test_parking_permit.py b/parking_permits/tests/models/test_parking_permit.py
index c4ddc997..0c73cdab 100644
--- a/parking_permits/tests/models/test_parking_permit.py
+++ b/parking_permits/tests/models/test_parking_permit.py
@@ -872,6 +872,7 @@ def test_get_price_list_for_extended_permit(self):
         self.assertEqual(price_list[1]["net_price"], "32.26")
         self.assertEqual(price_list[1]["vat_price"], "7.74")
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_not_valid(self):
         self.assertFalse(
             ParkingPermitFactory(
@@ -881,6 +882,7 @@ def test_can_extend_permit_not_valid(self):
             ).can_extend_permit,
         )
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_open_ended(self):
         self.assertFalse(
             ParkingPermitFactory(
@@ -890,6 +892,7 @@ def test_can_extend_permit_open_ended(self):
             ).can_extend_permit,
         )
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_end_date_none(self):
         self.assertFalse(
             ParkingPermitFactory(
@@ -899,6 +902,7 @@ def test_can_extend_permit_end_date_none(self):
             ).can_extend_permit,
         )
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_end_date_too_late(self):
         self.assertFalse(
             ParkingPermitFactory(
@@ -908,6 +912,7 @@ def test_can_extend_permit_end_date_too_late(self):
             ).can_extend_permit,
         )
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_existing_pending_request(self):
         permit = ParkingPermitFactory(
             status=ParkingPermitStatus.VALID,
@@ -918,6 +923,17 @@ def test_can_extend_permit_existing_pending_request(self):
 
         self.assertFalse(permit.can_extend_permit)
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=False)
+    def test_can_extend_permit_feature_disabled(self):
+        self.assertFalse(
+            ParkingPermitFactory(
+                status=ParkingPermitStatus.VALID,
+                contract_type=ContractType.FIXED_PERIOD,
+                end_time=timezone.now() + timedelta(days=9),
+            ).can_extend_permit,
+        )
+
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_no_other_requests(self):
         self.assertTrue(
             ParkingPermitFactory(
@@ -927,6 +943,7 @@ def test_can_extend_permit_no_other_requests(self):
             ).can_extend_permit,
         )
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_can_extend_permit_existing_other_request(self):
         permit = ParkingPermitFactory(
             status=ParkingPermitStatus.VALID,
@@ -939,6 +956,7 @@ def test_can_extend_permit_existing_other_request(self):
 
         self.assertTrue(permit.can_extend_permit)
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_extend_permit(self):
         now = timezone.now()
         permit = ParkingPermitFactory(
diff --git a/parking_permits/tests/test_customer_permit.py b/parking_permits/tests/test_customer_permit.py
index 2282f3f9..f680858b 100644
--- a/parking_permits/tests/test_customer_permit.py
+++ b/parking_permits/tests/test_customer_permit.py
@@ -462,6 +462,7 @@ def test_second_permit_can_not_have_permit_more_then_primary_if_primary_is_fixed
 
 
 class ExtendCustomerPermitTestCase(TestCase):
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_ok(self):
         now = tz.now()
         permit = ParkingPermitFactory(
@@ -483,6 +484,7 @@ def test_ok(self):
         ext_request = permit.get_pending_extension_requests().first()
         self.assertEqual(ext_request.month_count, 3)
 
+    @override_settings(PERMIT_EXTENSIONS_ENABLED=True)
     def test_invalid(self):
         now = tz.now()
         permit = ParkingPermitFactory(
diff --git a/parking_permits/tests/test_resolvers.py b/parking_permits/tests/test_resolvers.py
index d61581f8..3b8c8759 100644
--- a/parking_permits/tests/test_resolvers.py
+++ b/parking_permits/tests/test_resolvers.py
@@ -4,6 +4,7 @@
 from datetime import timedelta
 
 import pytest
+from django.test import override_settings
 from django.utils import timezone
 
 from parking_permits.exceptions import PermitCanNotBeExtended
@@ -416,6 +417,7 @@ def test_resolve_get_extended_permit_price_list(rf):
 
 
 @pytest.mark.django_db()
+@override_settings(PERMIT_EXTENSIONS_ENABLED=True)
 def test_resolve_extend_parking_permit_ok(rf):
     request = rf.post("/")
     customer = CustomerFactory()
diff --git a/project/settings.py b/project/settings.py
index 482b1e62..4e1b3f84 100644
--- a/project/settings.py
+++ b/project/settings.py
@@ -43,6 +43,7 @@
     PARKKIHUBI_TOKEN=(str, ""),
     PARKKIHUBI_OPERATOR_ENDPOINT=(str, ""),
     DEBUG_SKIP_PARKKIHUBI_SYNC=(bool, False),
+    PERMIT_EXTENSIONS_ENABLED=(bool, False),
     TRAFICOM_MOCK=(bool, False),
     TRAFICOM_ENDPOINT=(str, ""),
     TRAFICOM_USERNAME=(str, ""),
@@ -222,6 +223,9 @@
 TRAFICOM_CHECK = env("TRAFICOM_CHECK")
 HELSINKI_ADDRESS_CHECK = env("HELSINKI_ADDRESS_CHECK")
 
+# PARKING PERMIT EXTENSIONS
+PERMIT_EXTENSIONS_ENABLED = env("PERMIT_EXTENSIONS_ENABLED")
+
 # CORS
 CORS_ALLOWED_ORIGINS = env("CORS_ALLOWED_ORIGINS")
 CORS_ALLOW_HEADERS = list(default_headers) + [