diff --git a/resources/boundaries/osm/gb.yaml b/resources/boundaries/osm/gb.yaml
index e7b6ed7a..e6a08976 100644
--- a/resources/boundaries/osm/gb.yaml
+++ b/resources/boundaries/osm/gb.yaml
@@ -1,11 +1,24 @@
 ---
-  admin_level: 
-    "2": "country"
-    "4": "country_region"
-    "5": "state"
-    "6": "city"
-    "8": "city_district"
-    "10": "suburb"
-  designation: 
-    non_metropolitan_county: "state_district"
+    admin_level: 
+        "2": "country"
+        "4": "country_region"
+        "5": "state"
+        "6": "state_district"
+        "8": "city"
+        "10": "suburb"
+    designation: 
+        non_metropolitan_county: "state_district"
+        non_metropolitan_district: "state_district"
+        unitary_authority: "state_district"
+        civil_parish: "city"
+    overrides:
+        id:
+            relation:
+                # London
+                "65606": "city"
 
+        contained_by:
+            relation:
+                "65606":
+                    admin_level:
+                        "8": "city_district"
\ No newline at end of file